ART
BEAUTÉ ET BIEN-ÊTRE
ARTISANAT
CULTURE ET HISTOIRE
DIVERTISSEMENT
ENVIRONNEMENT
NOURRITURE ET BOISSONS
INGÉNIERIE INVERSE
SCIENCES
SPORTS
TECHNOLOGIE
TECHNOLOGIE PORTABLE
Profile header
Mars Makerspace

Mars Makerspace

Makerspace

Membre depuis June 2026

0 vues du profil

20 abonnés

Score d'innovation

Des idées différentes, pas un nombre de plans

2,571

20.24 par membre

Total de blueprints

442

Total de J'aime

0

Fois Lié

7

Fois Construit

0

Fois vendu

0

Réseaux sociaux

À proposPlansÉquipementÉvénements

Bibliothèque de blueprints

Metal Oxide Varistor: Zinc Oxide with 1 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 1 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

par Ed

General

1
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.03 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.03 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.05 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.05 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

3
0
0
0
0
0
Longquan Celadon Bowls: Glaze of Glaze Stone, Husk-and-Lime Ash and Zijin Clay, Reduction Fired

Longquan Celadon Bowls: Glaze of Glaze Stone, Husk-and-Lime Ash and Zijin Clay, Reduction Fired

par Clay

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.2 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.2 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 12 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 12 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.5 % Ferric Oxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.5 % Ferric Oxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.5 % Boric Oxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 0.5 % Boric Oxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

3
0
0
0
0
0
PTFE Rod: a Plug Sintered in Boiling Retene Vapour (Brubaker & Hanford 1946)

PTFE Rod: a Plug Sintered in Boiling Retene Vapour (Brubaker & Hanford 1946)

par Emma

General

5
0
0
0
0
0
Antimony Trioxide: Roasted Antimony Fused with More Metal (Thorpe 1912)

Antimony Trioxide: Roasted Antimony Fused with More Metal (Thorpe 1912)

par Charlie

General

6
0
0
0
0
0
Lead Subacetate Solution: Lead Acetate Boiled with Litharge, USP 1860
Dangereux

Lead Subacetate Solution: Lead Acetate Boiled with Litharge, USP 1860

par Charlie

General

9
0
0
0
0
0
Zirconium Hydroxide: Zircon Fused with Potassium Bisulphate, then Caustic Soda in Silver (Roscoe 1913)
Dangereux

Zirconium Hydroxide: Zircon Fused with Potassium Bisulphate, then Caustic Soda in Silver (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Zirconium Nitrate: Zirconium Hydroxide Dissolved in Nitric Acid and Evaporated (Roscoe 1913)
Dangereux

Zirconium Nitrate: Zirconium Hydroxide Dissolved in Nitric Acid and Evaporated (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Craft Knife: Doniger's Hinged Handle and Reversible Blade

Craft Knife: Doniger's Hinged Handle and Reversible Blade

par Forge

General

15
0
0
0
0
0
Zirconium: Oxide Reduced with Calcium and Calcium Chloride in a Sealed Bomb at 950 °C (Kiernan, US 1,760,413)
Dangereux

Zirconium: Oxide Reduced with Calcium and Calcium Chloride in a Sealed Bomb at 950 °C (Kiernan, US 1,760,413)

par Charlie

General

0
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 800 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 800 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

par Ed

General

0
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1000 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1000 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1150 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1150 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1400 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1400 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

par Ed

General

2
0
0
0
0
0
Variable Contrast Paper: One Emulsion in Five Parts Dyed 30, 15, 6, 2 and 0 mg per Litre (Schwarz, Bell & Howell, US 2,620,272)

Variable Contrast Paper: One Emulsion in Five Parts Dyed 30, 15, 6, 2 and 0 mg per Litre (Schwarz, Bell & Howell, US 2,620,272)

par Charlie

General

0
0
0
0
0
0
Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

par Charlie

General

0
0
0
0
0
0
Glass Cutter: Monce's Hardened Steel Wheel

Glass Cutter: Monce's Hardened Steel Wheel

par Bubbles

General

11
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 1000 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 1000 °C (Masuyama 1972, Ex. 4)

par Ed

General

3
0
0
0
0
0
Wind Speed by Eye on the Beaufort Scale (1925 Table)

Wind Speed by Eye on the Beaufort Scale (1925 Table)

par Penny

General

0
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 1200 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 1200 °C (Masuyama 1972, Ex. 4)

par Ed

General

2
0
0
0
0
0
Gasoline by Pressure Cracking: Heavy Residue Distilled at 650-850 °F under 4-5 Atmospheres (Burton, US 1,049,667)

Gasoline by Pressure Cracking: Heavy Residue Distilled at 650-850 °F under 4-5 Atmospheres (Burton, US 1,049,667)

par Charlie

General

3
0
0
0
0
0
Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 60 °C (McIntire, Dow 1948, Ex. 3, Test 3)

Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 60 °C (McIntire, Dow 1948, Ex. 3, Test 3)

par Charlie

General

5
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Tin Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Tin Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Antimony Trioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Antimony Trioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Barium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Barium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1150 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1150 °C, 1.0 mm (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Nickel Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Nickel Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Titanium Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Titanium Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

2
0
0
0
0
0
Diphenyl Ether: Chlorobenzene and Phenol in Caustic Soda at 400 °C (Dow 1978)
Dangereux

Diphenyl Ether: Chlorobenzene and Phenol in Caustic Soda at 400 °C (Dow 1978)

par Charlie

General

12
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Boric Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Boric Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Ferric Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Ferric Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

4
0
0
0
0
0
Octamethylcyclotetrasiloxane (D4): Silane Hydrolysate Cracked with Potash in Diphenyl Ether (Asahi 1980)
Dangereux

Octamethylcyclotetrasiloxane (D4): Silane Hydrolysate Cracked with Potash in Diphenyl Ether (Asahi 1980)

par Charlie

General

13
0
0
0
0
0
Ammonia Solution of Specific Gravity 0.910: Strong Ammonia Diluted to 24.99 % by Hydrometer (Lunge and Wiernik table, Thorpe 1912)

Ammonia Solution of Specific Gravity 0.910: Strong Ammonia Diluted to 24.99 % by Hydrometer (Lunge and Wiernik table, Thorpe 1912)

par Charlie

General

1
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 2.5 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 2.5 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Antimony Oxides, 1350 °C (Masuyama 1972, Ex. 3)

Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Antimony Oxides, 1350 °C (Masuyama 1972, Ex. 3)

par Ed

General

5
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Manganese and Boric Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

Metal Oxide Varistor: Zinc Oxide with Manganese and Boric Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Manganese and Barium Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

Metal Oxide Varistor: Zinc Oxide with Manganese and Barium Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

par Ed

General

4
0
0
0
0
0
Rubber Thread: One Long Strand Cut Spirally from Cured Sheet (Gibbons 1934)

Rubber Thread: One Long Strand Cut Spirally from Cured Sheet (Gibbons 1934)

par Tex

General

17
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Manganese and Antimony Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

Metal Oxide Varistor: Zinc Oxide with Manganese and Antimony Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

par Ed

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Manganese and Titanium Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

Metal Oxide Varistor: Zinc Oxide with Manganese and Titanium Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

par Ed

General

4
0
0
0
0
0
Screw Eye: Parmelee's One-Piece Wire Eye with a Stop-Ring

Screw Eye: Parmelee's One-Piece Wire Eye with a Stop-Ring

par Forge

General

14
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Chromic Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Chromic Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

par Ed

General

5
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

Metal Oxide Varistor: Pure Zinc Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

par Ed

General

5
0
0
0
0
0
Neodymium Magnets, Sample 2: 83Fe-2B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 2: 83Fe-2B-15Nd Sintered (Sagawa 1988)

par Forge

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

6
0
0
0
0
0
Neodymium Magnets, Sample 9: 73Fe-12B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 9: 73Fe-12B-15Nd Sintered (Sagawa 1988)

par Forge

General

6
0
0
0
0
0
Neodymium Magnets, Sample 10: 68Fe-17B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 10: 68Fe-17B-15Nd Sintered (Sagawa 1988)

par Forge

General

8
0
0
0
0
0
Neodymium Magnets, Sample 11: 62Fe-23B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 11: 62Fe-23B-15Nd Sintered (Sagawa 1988)

par Forge

General

7
0
0
0
0
0
Carbon Steel Strip: Saw Plate Sheared and Annealed Soft

Carbon Steel Strip: Saw Plate Sheared and Annealed Soft

par Forge

General

15
0
0
0
0
0
Neodymium Magnets, Sample 14: 70Fe-17B-13Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 14: 70Fe-17B-13Nd Sintered (Sagawa 1988)

par Forge

General

9
0
0
0
0
0
Neodymium Magnets, Sample 16: 53Fe-17B-30Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 16: 53Fe-17B-30Nd Sintered (Sagawa 1988)

par Forge

General

11
0
0
0
0
0
Neodymium Magnets, Sample 23: 67Fe-8B-25Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 23: 67Fe-8B-25Nd Sintered (Sagawa 1988)

par Forge

General

7
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite by the Wet Process, Precipitated with Caustic Soda (Snoek 1948)

Ferrite Toroid Core: Copper-Zinc Ferrite by the Wet Process, Precipitated with Caustic Soda (Snoek 1948)

par Charlie

General

7
0
0
0
0
0
Ferrite Toroid Core: Wet-Process Copper-Zinc Ferrite with a Stepped Anneal Down to 310 °C (Snoek 1948)

Ferrite Toroid Core: Wet-Process Copper-Zinc Ferrite with a Stepped Anneal Down to 310 °C (Snoek 1948)

par Charlie

General

4
0
0
0
0
0
Silver Oxide: Silver Nitrate Precipitated with Solution of Potassa (USP 1870)

Silver Oxide: Silver Nitrate Precipitated with Solution of Potassa (USP 1870)

par Charlie

General

8
0
0
0
0
0
Fired Silver Paint: Silver Oxide Paint with Silver Nitrate Added Just Before Use (Gray, Erie Resistor 1954, Ex. 5)

Fired Silver Paint: Silver Oxide Paint with Silver Nitrate Added Just Before Use (Gray, Erie Resistor 1954, Ex. 5)

par Ed

General

6
0
0
0
0
0
Barium Ferrite Disc Magnet from Natural Magnetite, Ground Half an Hour Only (Went, Philips 1956, Ex. 36, Procedure 3)

Barium Ferrite Disc Magnet from Natural Magnetite, Ground Half an Hour Only (Went, Philips 1956, Ex. 36, Procedure 3)

par Charlie

General

4
0
0
0
0
0
Elastic Cord: Cotton Braided over a Stretched Rubber Strand (Blakesley 1889)

Elastic Cord: Cotton Braided over a Stretched Rubber Strand (Blakesley 1889)

par Tex

General

6
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Precipitated Silica: Hot Water Glass Carbonated, Then Acidified to pH 6.75 (Allen 1957)

Precipitated Silica: Hot Water Glass Carbonated, Then Acidified to pH 6.75 (Allen 1957)

par Charlie

General

10
0
0
0
0
0
Kerosene: Burning Oil Distillate Acid-Treated, Washed and Steam-Stilled to Fire Test (Sadtler, in Thorpe 1913)
Dangereux

Kerosene: Burning Oil Distillate Acid-Treated, Washed and Steam-Stilled to Fire Test (Sadtler, in Thorpe 1913)

par Charlie

General

4
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: Powder Ground 48 Hours (Gorter, Philips 1956, Ex. 7)

Oriented Barium Ferrite Disc Magnet: Powder Ground 48 Hours (Gorter, Philips 1956, Ex. 7)

par Charlie

General

5
0
0
0
0
0
Activated Alumina: Aluminium Trihydrate Heated at 350 °C While Hot Air Carries the Steam Away (Derr, Alcoa, US 2,015,593)

Activated Alumina: Aluminium Trihydrate Heated at 350 °C While Hot Air Carries the Steam Away (Derr, Alcoa, US 2,015,593)

par Charlie

General

2
0
0
0
0
0
Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel

par Balin

General

74
0
0
0
0
0
Moto, the Sake Starter: Steamed Rice, Koji and Water Fermented Cold for Fourteen Days (Itami, after Rein 1889)

Moto, the Sake Starter: Steamed Rice, Koji and Water Fermented Cold for Fourteen Days (Itami, after Rein 1889)

par Charlie

General

1
0
0
0
0
0
Sake from Moto: the Mash Built Up in Three Additions, Soye, Naka and Shimai, Pressed and Settled (Itami, after Rein 1889)

Sake from Moto: the Mash Built Up in Three Additions, Soye, Naka and Shimai, Pressed and Settled (Itami, after Rein 1889)

par Charlie

General

1
0
0
0
0
0
Ferric Chloride Hexahydrate: 1,000 Parts of 10 % Solution Evaporated to 483 (Ph. G. 1882)

Ferric Chloride Hexahydrate: 1,000 Parts of 10 % Solution Evaporated to 483 (Ph. G. 1882)

par Charlie

General

5
0
0
0
0
0
Neodymium Magnets, Sample 25: 78Fe-10B-12Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 25: 78Fe-10B-12Nd Sintered (Sagawa 1988)

par Forge

General

8
0
0
0
0
0
Plastic Syringe Set: Moulded Barrel and a Soft Polyethylene Piston

Plastic Syringe Set: Moulded Barrel and a Soft Polyethylene Piston

par Emma

General

9
0
0
0
0
0
Acetoacetanilide: Aniline in Ether with Diketene Added Slowly (Gleason, Standard Oil Development, US 2,174,239)

Acetoacetanilide: Aniline in Ether with Diketene Added Slowly (Gleason, Standard Oil Development, US 2,174,239)

par Charlie

General

2
0
0
0
0
0
Sew-In Interfacing: Cotton Shrunk Overnight Before Cutting

Sew-In Interfacing: Cotton Shrunk Overnight Before Cutting

par Tex

General

14
0
0
0
0
0
Barium Ferrite Disc Magnet: Example 4 Without the Orienting Field (Gorter, Philips 1956, Ex. 4 Comparison)

Barium Ferrite Disc Magnet: Example 4 Without the Orienting Field (Gorter, Philips 1956, Ex. 4 Comparison)

par Charlie

General

5
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1300 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1300 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

par Ed

General

2
0
0
0
0
0
Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies

par Bombur

General

50
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 2.5 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 2.5 % Manganese Dioxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

4
0
0
0
0
0
Graphite Foil: Natural Graphite Soaked in Sulfuric-Nitric Acid, Flashed at 1000 C and Rolled Without Binder (Shane, Union Carbide, US 3,404,061)
Dangereux

Graphite Foil: Natural Graphite Soaked in Sulfuric-Nitric Acid, Flashed at 1000 C and Rolled Without Binder (Shane, Union Carbide, US 3,404,061)

par Charlie

General

0
0
0
0
0
0
Activated Carbon: Pine Sawdust Digested with Zinc Chloride and Phosphoric Acid, Activated at 500 C (McCullough, Darco, US 2,146,024)
Dangereux

Activated Carbon: Pine Sawdust Digested with Zinc Chloride and Phosphoric Acid, Activated at 500 C (McCullough, Darco, US 2,146,024)

par Charlie

General

1
0
0
0
0
0
Zinc Chloride: Scrap Zinc in Hydrochloric Acid, Cleared with Bleaching Powder and Boiled Down to 230 C (Thorpe 1913)
Dangereux

Zinc Chloride: Scrap Zinc in Hydrochloric Acid, Cleared with Bleaching Powder and Boiled Down to 230 C (Thorpe 1913)

par Charlie

General

2
0
0
0
0
0
Neodymium Magnets, Sample 22: 73Fe-8B-19Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 22: 73Fe-8B-19Nd Sintered (Sagawa 1988)

par Forge

General

9
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.1 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.1 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

7
0
0
0
0
0
Neodymium Magnets, Sample 20: 78Fe-8B-14Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 20: 78Fe-8B-14Nd Sintered (Sagawa 1988)

par Forge

General

5
0
0
0
0
0
Oriented Strontium Ferrite Disc Magnet: Agate-Milled, 10,000 Oersted Field (Gorter, Philips 1956, Ex. 8)

Oriented Strontium Ferrite Disc Magnet: Agate-Milled, 10,000 Oersted Field (Gorter, Philips 1956, Ex. 8)

par Charlie

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 12 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 12 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

5
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Magnesium-Zinc Ferrite Reheated 18 h at 1000 °C and 20 h at 750 °C (Snoek 1948, Ex. III)

Ferrite Toroid Core: Magnesium-Zinc Ferrite Reheated 18 h at 1000 °C and 20 h at 750 °C (Snoek 1948, Ex. III)

par Charlie

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Boric Oxides, 1350 °C (Masuyama 1972, Ex. 3)

Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Boric Oxides, 1350 °C (Masuyama 1972, Ex. 3)

par Ed

General

4
0
0
0
0
0
Rubber Squeeze Bulb: Latex Coagulated Inside a Split Mould Coated with Calcium Nitrate (Szegvari, Anode, US 1,949,502)

Rubber Squeeze Bulb: Latex Coagulated Inside a Split Mould Coated with Calcium Nitrate (Szegvari, Anode, US 1,949,502)

par Charlie

General

3
0
0
0
0
0
Neodymium Magnets, Sample 3: 82Fe-3B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 3: 82Fe-3B-15Nd Sintered (Sagawa 1988)

par Forge

General

8
0
0
0
0
0
Boron: Boric Oxide Reduced with Sodium under Salt (Wöhler and Deville, Thorpe 1912)
Dangereux

Boron: Boric Oxide Reduced with Sodium under Salt (Wöhler and Deville, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Ferrite Toroid Core: Copper-Cadmium Ferrite, 200-Hour Grind, 1000 °C in Oxygen (Snoek 1948, Ex. I)
Dangereux

Ferrite Toroid Core: Copper-Cadmium Ferrite, 200-Hour Grind, 1000 °C in Oxygen (Snoek 1948, Ex. I)

par Charlie

General

5
0
0
0
0
0
Barium Chloride: Witherite Dissolved in Dilute Hydrochloric Acid and Cleared over Excess Carbonate (Thorpe 1912)
Dangereux

Barium Chloride: Witherite Dissolved in Dilute Hydrochloric Acid and Cleared over Excess Carbonate (Thorpe 1912)

par Charlie

General

1
0
0
0
0
0
Helium: Uraninite Heated with Dilute Sulphuric Acid, Purified through Hot Quartz (Thorpe 1912)
Dangereux

Helium: Uraninite Heated with Dilute Sulphuric Acid, Purified through Hot Quartz (Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Boron: Boric Oxide Reduced with Magnesium Filings (Moissan, Thorpe 1912)
Dangereux

Boron: Boric Oxide Reduced with Magnesium Filings (Moissan, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Calcium Iodide: Iodine Dissolved over Amorphous Phosphorus and Neutralised with Milk of Lime (Liebig, Thorpe 1912)

Calcium Iodide: Iodine Dissolved over Amorphous Phosphorus and Neutralised with Milk of Lime (Liebig, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Calcium: Anhydrous Calcium Iodide Reduced with Sodium in a Screwed Iron Crucible (Moissan, Thorpe 1912)

Calcium: Anhydrous Calcium Iodide Reduced with Sodium in a Screwed Iron Crucible (Moissan, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Barium Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Barium Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

par Ed

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

1
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Titanium Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Titanium Oxides, 1350 °C (Masuyama 1972)

par Ed

General

3
0
0
0
0
0
Barium: Barium Oxide Heated with Aluminium at 1200 °C in Vacuum (Guntz, Thorpe 1912)

Barium: Barium Oxide Heated with Aluminium at 1200 °C in Vacuum (Guntz, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Strontium Ferrite Disc Magnet, Sintered 4 Hours at 1200 °C (Went, Philips 1956, Ex. 34)

Strontium Ferrite Disc Magnet, Sintered 4 Hours at 1200 °C (Went, Philips 1956, Ex. 34)

par Charlie

General

2
0
0
0
0
0
High-Speed Steel, Charge 2: Crucible-Melted Tungsten-Chrome-Vanadium Steel (Carnegie & Gladwyn 1918)

High-Speed Steel, Charge 2: Crucible-Melted Tungsten-Chrome-Vanadium Steel (Carnegie & Gladwyn 1918)

par Forge

General

3
0
0
0
0
0
Bevel Pinion: 12 Teeth, 8 Pitch, for a 24-Tooth Gear (Brown & Sharpe 1911)

Bevel Pinion: 12 Teeth, 8 Pitch, for a 24-Tooth Gear (Brown & Sharpe 1911)

par Forge

General

3
0
0
0
0
0
Titanium Tetrachloride: Dry Chlorine over Titanium Dioxide and Carbon (Thorpe 1913)
Dangereux

Titanium Tetrachloride: Dry Chlorine over Titanium Dioxide and Carbon (Thorpe 1913)

par Charlie

General

0
0
0
0
0
0
Titanium: Titanium Tetrachloride Heated with Sodium in a Steel Bomb (Hunter, Thorpe 1913)

Titanium: Titanium Tetrachloride Heated with Sodium in a Steel Bomb (Hunter, Thorpe 1913)

par Charlie

General

0
0
0
0
0
0
Silicon: Silica Heated with Magnesium Powder under Magnesia, Acid-Washed (Vigouroux, Thorpe 1912)
Dangereux

Silicon: Silica Heated with Magnesium Powder under Magnesia, Acid-Washed (Vigouroux, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Strontium Ferrite Disc Magnet, Sintered 4 Hours at 1100 °C (Went, Philips 1956, Ex. 34)

Strontium Ferrite Disc Magnet, Sintered 4 Hours at 1100 °C (Went, Philips 1956, Ex. 34)

par Charlie

General

2
0
0
0
0
0
Potassium: Carbonised Cream of Tartar and Charcoal Distilled from an Iron Bottle (Brunner and Wöhler, Thorpe 1912)
Dangereux

Potassium: Carbonised Cream of Tartar and Charcoal Distilled from an Iron Bottle (Brunner and Wöhler, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Ammonium Molybdate: Roasted Molybdenite Dissolved in Strong Ammonia (Gin 1907)
Dangereux

Ammonium Molybdate: Roasted Molybdenite Dissolved in Strong Ammonia (Gin 1907)

par Charlie

General

13
0
0
0
0
0
Diesel Fuel: the Gas Oil Cut from a Pennsylvania Crude Run, 38 to 36.5° Baumé (Bacon & Hamor 1916)

Diesel Fuel: the Gas Oil Cut from a Pennsylvania Crude Run, 38 to 36.5° Baumé (Bacon & Hamor 1916)

par Charlie

General

4
0
0
0
0
0
Isobutylene-Free C4 Fraction: Isobutylene Taken Out with 65 % Sulphuric Acid in Two Stages, 100 °F and 60 °F (Packie & Rupp, US 2,424,186)
Dangereux

Isobutylene-Free C4 Fraction: Isobutylene Taken Out with 65 % Sulphuric Acid in Two Stages, 100 °F and 60 °F (Packie & Rupp, US 2,424,186)

par Charlie

General

5
0
0
0
0
0
Uranium: Green Oxide and Sugar Carbon in the Electric Furnace (Moissan, Thorpe 1913)
Dangereux

Uranium: Green Oxide and Sugar Carbon in the Electric Furnace (Moissan, Thorpe 1913)

par Charlie

General

0
0
0
0
0
0
Green Oxide of Uranium: Pitchblende Fused with Soda, Cleared and Crystallised as Ammonium Uranyl Carbonate (Wöhler, Thorpe 1913)
Dangereux

Green Oxide of Uranium: Pitchblende Fused with Soda, Cleared and Crystallised as Ammonium Uranyl Carbonate (Wöhler, Thorpe 1913)

par Charlie

General

0
0
0
0
0
0
Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution

Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution

par Gimli

General

67
0
0
0
0
0
Monochloroacetic Acid: Chlorine Bubbled into Hot Acetic Acid with a Little Acetic Anhydride (Hammond, Celanese, US 2,503,334)
Dangereux

Monochloroacetic Acid: Chlorine Bubbled into Hot Acetic Acid with a Little Acetic Anhydride (Hammond, Celanese, US 2,503,334)

par Charlie

General

0
0
0
0
0
0
Sodium Monochloroacetate Solution: Chloroacetic Acid Neutralised with Sodium Bicarbonate (Haskins and Maxwell, du Pont, US 2,131,733)
Dangereux

Sodium Monochloroacetate Solution: Chloroacetic Acid Neutralised with Sodium Bicarbonate (Haskins and Maxwell, du Pont, US 2,131,733)

par Charlie

General

1
0
0
0
0
0
EDTA: Ethylenediamine with Sodium Chloroacetate and Soda at 90-95 C, Precipitated with Hydrochloric Acid (Munz, US 2,130,505)
Dangereux

EDTA: Ethylenediamine with Sodium Chloroacetate and Soda at 90-95 C, Precipitated with Hydrochloric Acid (Munz, US 2,130,505)

par Charlie

General

1
0
0
0
0
0
Cation Exchange Resin: Phenol Sulfonated and Cured with Formaldehyde (Wassenegger and Jaeger, I.G., US 2,204,539)
Dangereux

Cation Exchange Resin: Phenol Sulfonated and Cured with Formaldehyde (Wassenegger and Jaeger, I.G., US 2,204,539)

par Charlie

General

1
0
0
0
0
0
Dextrin: Starch Moistened with Dilute Nitric Acid and Heated at 110-120 °C (Payen, in Thorpe 1912)

Dextrin: Starch Moistened with Dilute Nitric Acid and Heated at 110-120 °C (Payen, in Thorpe 1912)

par Charlie

General

6
0
0
0
0
0
Fired Silver Paint: Silver Oxide and Flux in Purified Dextrin and Water (Gray, Erie Resistor 1954, Ex. 3)

Fired Silver Paint: Silver Oxide and Flux in Purified Dextrin and Water (Gray, Erie Resistor 1954, Ex. 3)

par Ed

General

5
0
0
0
0
0
Lithium Chloride: Lithium Carbonate Dissolved in Hydrochloric Acid, Crystallised above 15 °C (Thorpe 1912)
Dangereux

Lithium Chloride: Lithium Carbonate Dissolved in Hydrochloric Acid, Crystallised above 15 °C (Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Lithium: Fused Lithium and Potassium Chlorides Electrolysed (Guntz, Thorpe 1912)
Dangereux

Lithium: Fused Lithium and Potassium Chlorides Electrolysed (Guntz, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Fired Silver Paint: Precipitated Silver and Flux in Polyvinyl Alcohol with Ammonia (Gray, Erie Resistor 1954, Ex. 1)

Fired Silver Paint: Precipitated Silver and Flux in Polyvinyl Alcohol with Ammonia (Gray, Erie Resistor 1954, Ex. 1)

par Ed

General

7
0
0
0
0
0
Silver Conductive Paint: Silver Powder in Polystyrene and Benzene, Dried at 25-75 °C (NBS Circular 468, 1947)

Silver Conductive Paint: Silver Powder in Polystyrene and Benzene, Dried at 25-75 °C (NBS Circular 468, 1947)

par Ed

General

9
0
0
0
0
0
Silver Conductive Paint: Silver Powder in Methacrylate Resin and Acetone, Dried at 25-75 °C (NBS Circular 468, 1947)

Silver Conductive Paint: Silver Powder in Methacrylate Resin and Acetone, Dried at 25-75 °C (NBS Circular 468, 1947)

par Ed

General

6
0
0
0
0
0
Cadmium: First Zinc Distillate Redistilled with a Quarter of Coal (Silesian Practice, Thorpe 1912)
Dangereux

Cadmium: First Zinc Distillate Redistilled with a Quarter of Coal (Silesian Practice, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Strontium Ferrite Disc Magnet: Presintered at 1100 °C, 0.1 mol SrCO3 to 0.7 mol Iron Oxide (Went, Philips 1956, Ex. 8)

Strontium Ferrite Disc Magnet: Presintered at 1100 °C, 0.1 mol SrCO3 to 0.7 mol Iron Oxide (Went, Philips 1956, Ex. 8)

par Charlie

General

2
0
0
0
0
0
Aviation Gasoline by Catalytic Cracking over Silica-Alumina Gel at 750 °F (Voorhies, US 2,230,552)

Aviation Gasoline by Catalytic Cracking over Silica-Alumina Gel at 750 °F (Voorhies, US 2,230,552)

par Charlie

General

2
0
0
0
0
0
Lactic Acid: Milk, Milk Sugar and Chalk Fermented a Month (Wackenroder, US Dispensatory 1907)
Dangereux

Lactic Acid: Milk, Milk Sugar and Chalk Fermented a Month (Wackenroder, US Dispensatory 1907)

par Charlie

General

6
0
0
0
0
0
Lead Borate: Faraday's Borate of Lead Glass, Boric Acid Crystals Reckoned at 42 Parts (Phil. Trans. 1830, §25)
Dangereux

Lead Borate: Faraday's Borate of Lead Glass, Boric Acid Crystals Reckoned at 42 Parts (Phil. Trans. 1830, §25)

par Charlie

General

6
0
0
0
0
0
Lead Borate: Faraday's Borate of Lead Glass, Boric Acid Crystals Reckoned at 36 Parts (Phil. Trans. 1830, §19)
Dangereux

Lead Borate: Faraday's Borate of Lead Glass, Boric Acid Crystals Reckoned at 36 Parts (Phil. Trans. 1830, §19)

par Charlie

General

2
0
0
0
0
0
Hydroxyl-Ended Silicone Oil: D4 Opened with Potash, Then Water (Ceyzeriat 1964)

Hydroxyl-Ended Silicone Oil: D4 Opened with Potash, Then Water (Ceyzeriat 1964)

par Charlie

General

7
0
0
0
0
0
Silicone Sealant: Silicone Oil, Diatomaceous Earth and Methyl Triacetoxysilane (Ceyzeriat 1964)

Silicone Sealant: Silicone Oil, Diatomaceous Earth and Methyl Triacetoxysilane (Ceyzeriat 1964)

par Charlie

General

7
0
0
0
0
0
Fired Silver Paint: Five Parts Silver Oxide to One Part Lead Borate, Ground in Oil (NBS Circular 468, 1947)
Dangereux

Fired Silver Paint: Five Parts Silver Oxide to One Part Lead Borate, Ground in Oil (NBS Circular 468, 1947)

par Ed

General

6
0
0
0
0
0
Subcarbonate of Iron: Iron Sulfate and Soda Crystals, USP 1860

Subcarbonate of Iron: Iron Sulfate and Soda Crystals, USP 1860

par Charlie

General

8
0
0
0
0
0
Indium: From Freiberg Zinc, Thrown Down on Undissolved Zinc, Purified as Sulphite and Reduced in Hydrogen (Roscoe 1913)
Dangereux

Indium: From Freiberg Zinc, Thrown Down on Undissolved Zinc, Purified as Sulphite and Reduced in Hydrogen (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Neodymium Magnets, Sample 12: 55Fe-30B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 12: 55Fe-30B-15Nd Sintered (Sagawa 1988)

par Forge

General

6
0
0
0
0
0
Teaspoon Forged from a Silver Bar (Payne 1914)

Teaspoon Forged from a Silver Bar (Payne 1914)

par Forge

General

13
0
0
0
0
0
Thallium: Pyrites Flue Dust to Thallous Chloride and Sulphate, Deposited on Zinc (Roscoe 1913)
Dangereux

Thallium: Pyrites Flue Dust to Thallous Chloride and Sulphate, Deposited on Zinc (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Chromic Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Chromic Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

3
0
0
0
0
0
Table Tennis Balls: Celluloid Halves Blown in an Out-of-Round Mould (Jaques 1935)

Table Tennis Balls: Celluloid Halves Blown in an Out-of-Round Mould (Jaques 1935)

par Emma

General

9
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

2
0
0
0
0
0
Alkylate: Isobutane Joined with Cracked-Gasoline Olefins over 98 % Sulphuric Acid at 10 °C (McAllister & Ross, Shell, US 2,344,469)
Dangereux

Alkylate: Isobutane Joined with Cracked-Gasoline Olefins over 98 % Sulphuric Acid at 10 °C (McAllister & Ross, Shell, US 2,344,469)

par Charlie

General

1
0
0
0
0
0
Razor Blades from a Continuous Steel Strip (Tarbox 1915)

Razor Blades from a Continuous Steel Strip (Tarbox 1915)

par Forge

General

6
0
0
0
0
0
Steel Dowel Pins: Two from One Piece, Necked, Hardened and Ground (Stanley 1919)

Steel Dowel Pins: Two from One Piece, Necked, Hardened and Ground (Stanley 1919)

par Forge

General

4
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 600 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 600 °C (Masuyama 1972, Ex. 4)

par Ed

General

3
0
0
0
0
0
Rubber Stoppers: Pará Rubber with Ceresine, Moulded and Cured (Heil & Esch 1909)

Rubber Stoppers: Pará Rubber with Ceresine, Moulded and Cured (Heil & Esch 1909)

par Emma

General

5
0
0
0
0
0
Cadmium Oxide: Cadmium Heated in a Current of Oxygen (Thorpe 1912)
Dangereux

Cadmium Oxide: Cadmium Heated in a Current of Oxygen (Thorpe 1912)

par Charlie

General

8
0
0
0
0
0
Lead Nitrate: Litharge Dissolved in Dilute Nitric Acid and Crystallised (Faraday 1830)
Dangereux

Lead Nitrate: Litharge Dissolved in Dilute Nitric Acid and Crystallised (Faraday 1830)

par Charlie

General

6
0
0
0
0
0
PTFE Ring: Pressed Cold, Sintered Out of the Mould (Brubaker & Hanford 1946)

PTFE Ring: Pressed Cold, Sintered Out of the Mould (Brubaker & Hanford 1946)

par Emma

General

10
0
0
0
0
0
Argon: Air Led over Calcium Carbide and Calcium Chloride at 800 °C (Fischer and Ringe, Thorpe 1912)

Argon: Air Led over Calcium Carbide and Calcium Chloride at 800 °C (Fischer and Ringe, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Tellurium: Bismuth Telluride Calcined with Soda and Oil, Air Blown through the Leach (Thorpe 1913)

Tellurium: Bismuth Telluride Calcined with Soda and Oil, Air Blown through the Leach (Thorpe 1913)

par Charlie

General

0
0
0
0
0
0
Wind Speed from a Cup Anemometer: Robinson's One-Third Law (1850)

Wind Speed from a Cup Anemometer: Robinson's One-Third Law (1850)

par Penny

General

0
0
0
0
0
0
PTFE Film: Powder Rolled Thin, a Minute at 400 °C, Quenched (Brubaker & Hanford 1946)

PTFE Film: Powder Rolled Thin, a Minute at 400 °C, Quenched (Brubaker & Hanford 1946)

par Emma

General

3
0
0
0
0
0
PTFE Disc: Sintered in a Molten Nitrate Bath, Cooled Slowly (Brubaker & Hanford 1946)

PTFE Disc: Sintered in a Molten Nitrate Bath, Cooled Slowly (Brubaker & Hanford 1946)

par Emma

General

7
0
0
0
0
0
Mitre Gears: a 1:1 Bevel Pair Cut on the Milling Machine (Brown & Sharpe 1911)

Mitre Gears: a 1:1 Bevel Pair Cut on the Milling Machine (Brown & Sharpe 1911)

par Forge

General

2
0
0
0
0
0
Bevel Pinion with a No. 6 Cutter, Filed at the Small End (Brown & Sharpe 1911)

Bevel Pinion with a No. 6 Cutter, Filed at the Small End (Brown & Sharpe 1911)

par Forge

General

3
0
0
0
0
0
Germanium: Germanium Dioxide Reduced with Carbon at Full Red Heat, Fused under Borax (Roscoe 1913)

Germanium: Germanium Dioxide Reduced with Carbon at Full Red Heat, Fused under Borax (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Germanium Dioxide: Argyrodite Fused with Nitre and Potash, Purified through Potassium Germanofluoride (Winkler, Roscoe 1913)
Dangereux

Germanium Dioxide: Argyrodite Fused with Nitre and Potash, Purified through Potassium Germanofluoride (Winkler, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Manganese and Chromic Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

Metal Oxide Varistor: Zinc Oxide with Manganese and Chromic Oxides, Bismuth Paste Fired On (Masuyama 1972, Ex. 6)

par Ed

General

3
0
0
0
0
0
Dodecafluoroheptanol: Tetrafluoroethylene Joined to Methanol (Joyce 1951)

Dodecafluoroheptanol: Tetrafluoroethylene Joined to Methanol (Joyce 1951)

par Charlie

General

4
0
0
0
0
0
Dodecafluoroheptanoic Acid: the Fluoro Alcohol Oxidised with Permanganate (Berry 1951)
Dangereux

Dodecafluoroheptanoic Acid: the Fluoro Alcohol Oxidised with Permanganate (Berry 1951)

par Charlie

General

3
0
0
0
0
0
Beryllium Chloride: Glucina and Sugar Charcoal Ignited in Dry Chlorine (Roscoe 1913)
Dangereux

Beryllium Chloride: Glucina and Sugar Charcoal Ignited in Dry Chlorine (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
PTFE Fine Powder: a Dispersion Stirred Until It Curdles (Lontz 1952)

PTFE Fine Powder: a Dispersion Stirred Until It Curdles (Lontz 1952)

par Charlie

General

5
0
0
0
0
0
Pure Mushroom Culture: A Bit of Tissue in a Sterile Tube, Duggar 1905

Pure Mushroom Culture: A Bit of Tissue in a Sterile Tube, Duggar 1905

par Bob

General

11
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Boric Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Boric Oxide, Bismuth-Manganese Oxide Paste Fired On (Masuyama 1972, Ex. 7)

par Ed

General

2
0
0
0
0
0
Zinc Sulfide Phosphor: Zinc Oxide and Sulfur Fired Twice with Halide Fluxes and a Trace of Copper (Rothschild, US 2,546,239)
Dangereux

Zinc Sulfide Phosphor: Zinc Oxide and Sulfur Fired Twice with Halide Fluxes and a Trace of Copper (Rothschild, US 2,546,239)

par Charlie

General

1
0
0
0
0
0
Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

par Bob

General

8
0
0
0
0
0
Beryllium: Glucinum Chloride Vapour over Melted Sodium in Hydrogen (Debray, Roscoe 1913)
Dangereux

Beryllium: Glucinum Chloride Vapour over Melted Sodium in Hydrogen (Debray, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Air Blow Gun: Press-Button Valve and Conical Air Shield

Air Blow Gun: Press-Button Valve and Conical Air Shield

par Martin

General

13
0
0
0
0
0
Ferrite Toroid Core: Nickel-Zinc Ferrite Given a Further Oxygen Treatment (Snoek 1948, Ex. IV)
Dangereux

Ferrite Toroid Core: Nickel-Zinc Ferrite Given a Further Oxygen Treatment (Snoek 1948, Ex. IV)

par Charlie

General

7
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 800 °C (Masuyama 1972, Ex. 4)

par Ed

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.05 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 0.05 % Manganese Dioxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

4
0
0
0
0
0
Palladium: Palladium-Gold Fused with Silver, Parted in Nitric Acid, Thrown Down by Zinc (Roscoe 1913)
Dangereux

Palladium: Palladium-Gold Fused with Silver, Parted in Nitric Acid, Thrown Down by Zinc (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Beryllium Oxide (Glucina): Beryl Fused with Potash, Alum Crystallised Out, Glucina Parted in Ammonium Carbonate (Roscoe 1913)
Dangereux

Beryllium Oxide (Glucina): Beryl Fused with Potash, Alum Crystallised Out, Glucina Parted in Ammonium Carbonate (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Rubidium Chloride: Lepidolite Lithia Residue Parted with Platinic Chloride (Bunsen, Roscoe 1913)
Dangereux

Rubidium Chloride: Lepidolite Lithia Residue Parted with Platinic Chloride (Bunsen, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Rubidium: Rubidium Chloride Heated with Calcium in an Iron Boat in Vacuum (Hackspill, Thorpe 1912)

Rubidium: Rubidium Chloride Heated with Calcium in an Iron Boat in Vacuum (Hackspill, Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Iridium: Osmiridium Opened with Zinc and Barium Nitrate, Thrown Down as Ammonium Iridichloride (Deville and Debray, Roscoe 1913)
Dangereux

Iridium: Osmiridium Opened with Zinc and Barium Nitrate, Thrown Down as Ammonium Iridichloride (Deville and Debray, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Tonoko: Iron Ochre Pulverized for Japanese Lacquer Groundwork (after Rein 1889)

Tonoko: Iron Ochre Pulverized for Japanese Lacquer Groundwork (after Rein 1889)

par Charlie

General

1
0
0
0
0
0
Ro-iro Urushi: Black Lustre Lacquer, Raw Lac Blackened with Haguro Iron Vinegar (after Rein 1889)

Ro-iro Urushi: Black Lustre Lacquer, Raw Lac Blackened with Haguro Iron Vinegar (after Rein 1889)

par Charlie

General

1
0
0
0
0
0
Neodymium Magnets, Sample 15: 63Fe-17B-20Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 15: 63Fe-17B-20Nd Sintered (Sagawa 1988)

par Forge

General

7
0
0
0
0
0
Benzoyl Chloride: Benzoic Acid Heated with Phosphorus Pentachloride, then Fractionated (Thorpe 1912)
Dangereux

Benzoyl Chloride: Benzoic Acid Heated with Phosphorus Pentachloride, then Fractionated (Thorpe 1912)

par Charlie

General

3
0
0
0
0
0
Ruthenium: Osmiridium Opened with Barium Peroxide and Nitrate, Separated as Ruthenate (Deville and Debray, Roscoe 1913)
Dangereux

Ruthenium: Osmiridium Opened with Barium Peroxide and Nitrate, Separated as Ruthenate (Deville and Debray, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Osmium: From the Tetroxide Distillate through Sulphide and Ammonium Osmichloride (Roscoe 1913)
Dangereux

Osmium: From the Tetroxide Distillate through Sulphide and Ammonium Osmichloride (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Crude Oil from a Drilled Well: the American Cable-Tool Method (Crew 1887)

Crude Oil from a Drilled Well: the American Cable-Tool Method (Crew 1887)

par Peter

General

5
0
0
0
0
0
Rhodium: Platinum Mother Liquor Worked through Lead, Barium Peroxide, Sulphur and Zinc (Deville and Debray, Roscoe 1913)
Dangereux

Rhodium: Platinum Mother Liquor Worked through Lead, Barium Peroxide, Sulphur and Zinc (Deville and Debray, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Barium Ferrite Disc Magnet, Sintered at 1300 °C (Went, Philips 1956)

Barium Ferrite Disc Magnet, Sintered at 1300 °C (Went, Philips 1956)

par Charlie

General

2
0
0
0
0
0
55-Gallon Open-Head Steel Drum to ICC Specification 17H (1964)

55-Gallon Open-Head Steel Drum to ICC Specification 17H (1964)

par Forge

General

8
0
0
0
0
0
Diketene: Acetone Pyrolysed in Copper at 650 C, Ketene Caught Cold in Acetone and Left to Dimerise (Law, Carbide, US 2,019,983)
Dangereux

Diketene: Acetone Pyrolysed in Copper at 650 C, Ketene Caught Cold in Acetone and Left to Dimerise (Law, Carbide, US 2,019,983)

par Charlie

General

1
0
0
0
0
0
Teaspoon Sawn Short from Silver Sheet, Then Hammered Out (Payne 1914)

Teaspoon Sawn Short from Silver Sheet, Then Hammered Out (Payne 1914)

par Forge

General

2
0
0
0
0
0
Strontium Chloride: Strontianite Dissolved in Hydrochloric Acid (Roscoe 1913)
Dangereux

Strontium Chloride: Strontianite Dissolved in Hydrochloric Acid (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Distillation Still: Fire-Pot Still with Worm Tub

Distillation Still: Fire-Pot Still with Worm Tub

par Charlie

General

12
0
0
0
0
0
Normal Butane: the 0 °C Cut of the Lightest Gasoline, Distilled Twenty Times in the Cold (Mabery & Hudson 1897)

Normal Butane: the 0 °C Cut of the Lightest Gasoline, Distilled Twenty Times in the Cold (Mabery & Hudson 1897)

par Charlie

General

2
0
0
0
0
0
Normal Butylene Fraction: Cracked-Gas C4 Cut Extractively Distilled with Aqueous Acetone (Long, Standard Oil Development, US 2,449,610)

Normal Butylene Fraction: Cracked-Gas C4 Cut Extractively Distilled with Aqueous Acetone (Long, Standard Oil Development, US 2,449,610)

par Charlie

General

4
0
0
0
0
0
Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)

Precipitated Silver: Silver Chloride Reduced by Zinc in Acidulated Water (Thorpe 1913)

par Charlie

General

5
0
0
0
0
0
Gasoline and Naphtha: Benzine Distillate Redistilled by Steam Heat, Cut by Baumé Gravity (Sadtler, in Thorpe 1913)

Gasoline and Naphtha: Benzine Distillate Redistilled by Steam Heat, Cut by Baumé Gravity (Sadtler, in Thorpe 1913)

par Charlie

General

9
0
0
0
0
0
Rubber Hose: Braided, Spirally Wrapped and Vulcanized in Long Lengths

Rubber Hose: Braided, Spirally Wrapped and Vulcanized in Long Lengths

par Mary

General

6
0
0
0
0
0
Vanadium Pentoxide: Mottramite Sandstone Digested in Hydrochloric Acid, through Ammonium Metavanadate (Roscoe 1913)
Dangereux

Vanadium Pentoxide: Mottramite Sandstone Digested in Hydrochloric Acid, through Ammonium Metavanadate (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Vanadium Dichloride: Tetrachloride Vapour and Hydrogen through a Red-Hot Glass Tube (Roscoe 1913)
Dangereux

Vanadium Dichloride: Tetrachloride Vapour and Hydrogen through a Red-Hot Glass Tube (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Strontium: Mercury-Cathode Amalgam Turned to Hydride and Distilled in Vacuo (Guntz and Roederer, Roscoe 1913)
Dangereux

Strontium: Mercury-Cathode Amalgam Turned to Hydride and Distilled in Vacuo (Guntz and Roederer, Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Vanadium Oxytrichloride: Pentoxide and Charcoal Heated in Chlorine, Rectified over Sodium (Roscoe 1913)
Dangereux

Vanadium Oxytrichloride: Pentoxide and Charcoal Heated in Chlorine, Rectified over Sodium (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Vanadium: Dichloride Reduced in Perfectly Pure Hydrogen at Bright Red Heat (Roscoe, Treatise 1913)
Dangereux

Vanadium: Dichloride Reduced in Perfectly Pure Hydrogen at Bright Red Heat (Roscoe, Treatise 1913)

par Charlie

General

0
0
0
0
0
0
Vanadium Tetrachloride: Oxytrichloride and Chlorine Passed over Red-Hot Sugar Charcoal (Roscoe 1913)
Dangereux

Vanadium Tetrachloride: Oxytrichloride and Chlorine Passed over Red-Hot Sugar Charcoal (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Reformate: Straight-Run Naphtha over Platinum-Alumina-Fluorine Catalyst at 874 °F and 500 psi (Haensel, UOP, US 2,479,110)

Reformate: Straight-Run Naphtha over Platinum-Alumina-Fluorine Catalyst at 874 °F and 500 psi (Haensel, UOP, US 2,479,110)

par Charlie

General

3
0
0
0
0
0
Air Hose: Couplings with Two-Bead Crimped Ferrules

Air Hose: Couplings with Two-Bead Crimped Ferrules

par Martin

General

9
0
0
0
0
0
Acid Spill Kit: Assembled for the Lab

Acid Spill Kit: Assembled for the Lab

par Charlie

General

14
0
0
0
0
0
Thorium Nitrate: Monazite Sand Opened with Sulphuric Acid, through Phosphate, Oxalate and Sulphate (Roscoe 1913)
Dangereux

Thorium Nitrate: Monazite Sand Opened with Sulphuric Acid, through Phosphate, Oxalate and Sulphate (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Thorium: Oxide Reduced with Calcium and Calcium Chloride in a Sealed Bomb at 950 °C (Marden and Rentschler, US 1,814,719)
Dangereux

Thorium: Oxide Reduced with Calcium and Calcium Chloride in a Sealed Bomb at 950 °C (Marden and Rentschler, US 1,814,719)

par Charlie

General

0
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 1 % Antimony Trioxide, 1350 °C (Masuyama 1972, Ex. 2)

Metal Oxide Varistor: Zinc Oxide, 0.5 % Bismuth Oxide, 1 % Antimony Trioxide, 1350 °C (Masuyama 1972, Ex. 2)

par Ed

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Platinum Reforming Catalyst: 0.1 % Platinum and 1.5 % Fluorine on Alumina (Haensel, UOP, US 2,479,110)
Dangereux

Platinum Reforming Catalyst: 0.1 % Platinum and 1.5 % Fluorine on Alumina (Haensel, UOP, US 2,479,110)

par Charlie

General

4
0
0
0
0
0
LiPo Safety Bag: Fire-Resistant Sack with Hook-and-Loop Flap

LiPo Safety Bag: Fire-Resistant Sack with Hook-and-Loop Flap

par Ed

General

6
0
0
0
0
0
Impact Wrench: Centrifugal-Dog Clutch on a Reversible Air Motor

Impact Wrench: Centrifugal-Dog Clutch on a Reversible Air Motor

par Martin

General

7
0
0
0
0
0
Glass Saw: Rigid Diamond Wire Ring Driven by Its Rim

Glass Saw: Rigid Diamond Wire Ring Driven by Its Rim

par Martin

General

17
0
0
0
0
0
Potassium Tantalum Fluoride: Tantalite Fused with Bisulphate, Dissolved in Hydrofluoric Acid and Crystallised (Roscoe 1913)
Dangereux

Potassium Tantalum Fluoride: Tantalite Fused with Bisulphate, Dissolved in Hydrofluoric Acid and Crystallised (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Tantalum Pentoxide: Potassium Tantalum Fluoride Heated with Sulphuric Acid to 400 °C and Ignited (Roscoe 1913)
Dangereux

Tantalum Pentoxide: Potassium Tantalum Fluoride Heated with Sulphuric Acid to 400 °C and Ignited (Roscoe 1913)

par Charlie

General

0
0
0
0
0
0
Tantalum: Fused Fluoride Bath with Tantalum Oxide Electrolysed at 700 °C (Driggs, US 1,815,054)
Dangereux

Tantalum: Fused Fluoride Bath with Tantalum Oxide Electrolysed at 700 °C (Driggs, US 1,815,054)

par Charlie

General

1
0
0
0
0
0
Aqua Regia: 1 Volume of Nitric Acid to 4 of Hydrochloric Acid (Thorpe 1912)
Dangereux

Aqua Regia: 1 Volume of Nitric Acid to 4 of Hydrochloric Acid (Thorpe 1912)

par Charlie

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 5 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 5 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 800 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 800 °C, 1.0 mm (Masuyama 1972)

par Ed

General

3
0
0
0
0
0
Naphthenic Distillates: Reduced Crude Cut by Viscosity in a Vacuum Tower (Armstrong 1965)

Naphthenic Distillates: Reduced Crude Cut by Viscosity in a Vacuum Tower (Armstrong 1965)

par Charlie

General

5
0
0
0
0
0
Chloroplatinic Acid: Platinum Dissolved in Aqua Regia, Nitric Acid Driven Off with Hydrochloric Acid (Thorpe 1912)
Dangereux

Chloroplatinic Acid: Platinum Dissolved in Aqua Regia, Nitric Acid Driven Off with Hydrochloric Acid (Thorpe 1912)

par Charlie

General

1
0
0
0
0
0
Ferrous Sulfide: Iron Filings Heated with Sulphur (Thorpe 1912)

Ferrous Sulfide: Iron Filings Heated with Sulphur (Thorpe 1912)

par Charlie

General

4
0
0
0
0
0
Niobium: Fused Potassium Niobium Oxyfluoride Electrolysed at 400-600 A in a Water-Jacketed Iron Pot (Balke, US 1,905,882)
Dangereux

Niobium: Fused Potassium Niobium Oxyfluoride Electrolysed at 400-600 A in a Water-Jacketed Iron Pot (Balke, US 1,905,882)

par Charlie

General

0
0
0
0
0
0
Aluminium Hydroxide: Alum Solution Dropped into Ammonia Water (Ure 1839)

Aluminium Hydroxide: Alum Solution Dropped into Ammonia Water (Ure 1839)

par Charlie

General

2
0
0
0
0
0
Aluminium Chloride Hexahydrate: Hydroxide in Strong Hydrochloric Acid, Ether Added, Saturated with Hydrogen Chloride (Thorpe 1912)
Dangereux

Aluminium Chloride Hexahydrate: Hydroxide in Strong Hydrochloric Acid, Ether Added, Saturated with Hydrogen Chloride (Thorpe 1912)

par Charlie

General

3
0
0
0
0
0
Resin Mixing and Degassing Station: Vacuum Vessel with Worm and Apron

Resin Mixing and Degassing Station: Vacuum Vessel with Worm and Apron

par Mary

General

7
0
0
0
0
0
Yoshino Tissue: Kozo Paper So Thin Fifty Sheets Weigh 35 Grams (Nibu, after Rein 1889)

Yoshino Tissue: Kozo Paper So Thin Fifty Sheets Weigh 35 Grams (Nibu, after Rein 1889)

par Charlie

General

3
0
0
0
0
0
Barium Ferrite Disc Magnet: Barium Carbonate and Iron Oxide Sintered (Went, Philips 1956)

Barium Ferrite Disc Magnet: Barium Carbonate and Iron Oxide Sintered (Went, Philips 1956)

par Charlie

General

2
0
0
0
0
0
Tungsten Trioxide: Wolframite Fused with Calcium Chloride (Wöhler)
Dangereux

Tungsten Trioxide: Wolframite Fused with Calcium Chloride (Wöhler)

par Charlie

General

3
0
0
0
0
0
Pneumatic Nail Gun: Main Valve, Return Chamber and Fast Trigger Valve

Pneumatic Nail Gun: Main Valve, Return Chamber and Fast Trigger Valve

par Martin

General

9
0
0
0
0
0
Ferric Nitrate: Scrap Iron Dissolved in Concentrated Nitric Acid (Thorpe 1912)
Dangereux

Ferric Nitrate: Scrap Iron Dissolved in Concentrated Nitric Acid (Thorpe 1912)

par Charlie

General

7
0
0
0
0
0
Ductile Tungsten Wire: Pressed, Sintered by Current, Swaged and Drawn Hot (Coolidge 1913)
Dangereux

Ductile Tungsten Wire: Pressed, Sintered by Current, Swaged and Drawn Hot (Coolidge 1913)

par Forge

General

3
0
0
0
0
0
Potassium Hydrogen Fluoride and Anhydrous Hydrogen Fluoride: Moissan's Purification of Commercial Acid (Thorpe 1912)
Dangereux

Potassium Hydrogen Fluoride and Anhydrous Hydrogen Fluoride: Moissan's Purification of Commercial Acid (Thorpe 1912)

par Charlie

General

0
0
0
0
0
0
Fluorine: Anhydrous Hydrogen Fluoride with Potassium Hydrogen Fluoride Electrolysed at -23 °C in a Platinum U-Tube (Moissan 1886)
Dangereux

Fluorine: Anhydrous Hydrogen Fluoride with Potassium Hydrogen Fluoride Electrolysed at -23 °C in a Platinum U-Tube (Moissan 1886)

par Charlie

General

0
0
0
0
0
0
Glass Fibre Mat: Blown Glass Wool Drafted into a Bonded Sheet (Slayter 1942)

Glass Fibre Mat: Blown Glass Wool Drafted into a Bonded Sheet (Slayter 1942)

par Charlie

General

0
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 1 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

Metal Oxide Varistor: Zinc Oxide with 1 % Aluminium Oxide, Bismuth Oxide Paste Fired On (Masuyama 1972, Ex. 5)

par Ed

General

4
0
0
0
0
0
Semi-Cured Phenolic Sheet: Paper Dipped in Phenol Resin and Part-Cured at 120-130 °C (Lucas, Western Electric, US 1,470,990)

Semi-Cured Phenolic Sheet: Paper Dipped in Phenol Resin and Part-Cured at 120-130 °C (Lucas, Western Electric, US 1,470,990)

par Charlie

General

1
0
0
0
0
0
High-Speed Steel, Charge 1: Crucible-Melted Tungsten-Chrome-Molybdenum Steel (Carnegie & Gladwyn 1918)

High-Speed Steel, Charge 1: Crucible-Melted Tungsten-Chrome-Molybdenum Steel (Carnegie & Gladwyn 1918)

par Forge

General

3
0
0
0
0
0
Woven Wire Screen Cloth on a Power Loom, 4 to 80 Wires per Inch (Bigelow, US 18,320, 1857)

Woven Wire Screen Cloth on a Power Loom, 4 to 80 Wires per Inch (Bigelow, US 18,320, 1857)

par Charlie

General

1
0
0
0
0
0
Cracked C4 Cut: Cracking-Still Gas Liquefied and Split in Four Columns at 200 psi (Eastman, Texas Co., US 2,014,724)

Cracked C4 Cut: Cracking-Still Gas Liquefied and Split in Four Columns at 200 psi (Eastman, Texas Co., US 2,014,724)

par Charlie

General

4
0
0
0
0
0
Inked Fabric Printer Ribbon: Tricresyl Phosphate, Castor Oil and Carbon Black Ink (Neidich, Underwood, US 2,139,092)

Inked Fabric Printer Ribbon: Tricresyl Phosphate, Castor Oil and Carbon Black Ink (Neidich, Underwood, US 2,139,092)

par Charlie

General

1
0
0
0
0
0
Modelling Clay That Never Hardens: Kaolin Kneaded with Petroleum Jelly (Lanza, US 861,294, 1907)

Modelling Clay That Never Hardens: Kaolin Kneaded with Petroleum Jelly (Lanza, US 861,294, 1907)

par Charlie

General

2
0
0
0
0
0
Polyethylene Powder for Rotomoulding: LDPE Pellets Cut to -30 Mesh in an Air-Cooled Mill (Feder, Wedco, US 3,428,260)

Polyethylene Powder for Rotomoulding: LDPE Pellets Cut to -30 Mesh in an Air-Cooled Mill (Feder, Wedco, US 3,428,260)

par Charlie

General

2
0
0
0
0
0
Pop Rivets: Copper Hollow Rivet on a Steel Break Mandrel with a Ring-Cutter Head (Kraemer, US 3,257,890)

Pop Rivets: Copper Hollow Rivet on a Steel Break Mandrel with a Ring-Cutter Head (Kraemer, US 3,257,890)

par Charlie

General

1
0
0
0
0
0
High-Speed Steel, Charge 3: Crucible-Melted Tungsten-Chrome-Molybdenum-Vanadium Steel (Carnegie & Gladwyn 1918)

High-Speed Steel, Charge 3: Crucible-Melted Tungsten-Chrome-Molybdenum-Vanadium Steel (Carnegie & Gladwyn 1918)

par Forge

General

3
0
0
0
0
0
Ethyl Chloride: Hydrogen Chloride into Boiling Alcohol over Zinc Chloride (Groves 1874)
Dangereux

Ethyl Chloride: Hydrogen Chloride into Boiling Alcohol over Zinc Chloride (Groves 1874)

par Charlie

General

2
0
0
0
0
0
Neodymium Magnets: Nd-Fe-B Alloy Milled, Pressed in a Field and Sintered (Sagawa 1988)

Neodymium Magnets: Nd-Fe-B Alloy Milled, Pressed in a Field and Sintered (Sagawa 1988)

par Forge

General

5
0
0
0
0
0
Tetraethyl Lead: Steam-Distilled from the Reaction Mass in Water Brought to pH 7.5 with Dilute Sulphuric Acid (Bake & Parmelee, du Pont, US 2,038,703)
Dangereux

Tetraethyl Lead: Steam-Distilled from the Reaction Mass in Water Brought to pH 7.5 with Dilute Sulphuric Acid (Bake & Parmelee, du Pont, US 2,038,703)

par Charlie

General

4
0
0
0
0
0
Isopentane: the 29-30 °C Cut of the Lightest Gasoline (Mabery & Hudson 1897)

Isopentane: the 29-30 °C Cut of the Lightest Gasoline (Mabery & Hudson 1897)

par Charlie

General

1
0
0
0
0
0
Premium Gasoline, Research Octane 102.7: Alkylate, Reformate, Light Cracked Gasoline and Isopentane with 2.7 cc Lead (Gulf, US 3,071,535)
Dangereux

Premium Gasoline, Research Octane 102.7: Alkylate, Reformate, Light Cracked Gasoline and Isopentane with 2.7 cc Lead (Gulf, US 3,071,535)

par Charlie

General

1
0
0
0
0
0
Ball Valve: Floating PTFE Seat and Seal Rings on a Stainless Ball (Clade 1956)

Ball Valve: Floating PTFE Seat and Seal Rings on a Stainless Ball (Clade 1956)

par Emma

General

5
0
0
0
0
0
Boning Rods: Three Identical T-Rods, 3 ft × 3 in × ½ in, Baker 1919

Boning Rods: Three Identical T-Rods, 3 ft × 3 in × ½ in, Baker 1919

par Emma

General

17
0
0
0
0
0
Empty Paint Tube: Soldered Sheet Lead, Rand 1841

Empty Paint Tube: Soldered Sheet Lead, Rand 1841

par Charlie

General

10
0
0
0
0
0
Pop Rivets: Hollow Rivet on a Break-Off Former Shank (Cherry 1939)

Pop Rivets: Hollow Rivet on a Break-Off Former Shank (Cherry 1939)

par Forge

General

2
0
0
0
0
0
Tire Valve: Spring-Closed Plunger and Locking Hand Nut (Schrader 1893)

Tire Valve: Spring-Closed Plunger and Locking Hand Nut (Schrader 1893)

par Emma

General

5
0
0
0
0
0
Uninked Ribbon Fabric: Narrow Woven Cotton Strip with Two Selvages (Rogers, US 420,312, 1890)

Uninked Ribbon Fabric: Narrow Woven Cotton Strip with Two Selvages (Rogers, US 420,312, 1890)

par Charlie

General

0
0
0
0
0
0
Metal Band Saw: Horizontal Saw on a Welded Steel Frame

Metal Band Saw: Horizontal Saw on a Welded Steel Frame

par Martin

General

11
0
0
0
0
0
Aqueous PTFE Dispersion: Tetrafluoroethylene Polymerised in Soapy Water (Berry 1951)

Aqueous PTFE Dispersion: Tetrafluoroethylene Polymerised in Soapy Water (Berry 1951)

par Charlie

General

3
0
0
0
0
0
Heavy Gas Oil: the 620-1,050 °F Cut from Atmospheric and Vacuum Distillation of Crude Oil (Gulf, US 3,071,535)

Heavy Gas Oil: the 620-1,050 °F Cut from Atmospheric and Vacuum Distillation of Crude Oil (Gulf, US 3,071,535)

par Charlie

General

1
0
0
0
0
0
Isobutane: Normal Butane Isomerised over Aluminium Chloride and Hydrogen Chloride at 150 °C (Ipatieff & Pines, US 2,318,226)
Dangereux

Isobutane: Normal Butane Isomerised over Aluminium Chloride and Hydrogen Chloride at 150 °C (Ipatieff & Pines, US 2,318,226)

par Charlie

General

3
0
0
0
0
0
Split Pins: Half-Round Wire Folded, Pinched and Twisted (Britton 1925)

Split Pins: Half-Round Wire Folded, Pinched and Twisted (Britton 1925)

par Forge

General

2
0
0
0
0
0
Pencil Sharpener: Conical Bore and a Reversible Triangular Blade (Moseley 1897)

Pencil Sharpener: Conical Bore and a Reversible Triangular Blade (Moseley 1897)

par Emma

General

4
0
0
0
0
0
Ferric Chloride Solution, 10 % Iron: Iron in Hydrochloric Acid, Oxidised with Nitric Acid (Ph. G. 1882)
Dangereux

Ferric Chloride Solution, 10 % Iron: Iron in Hydrochloric Acid, Oxidised with Nitric Acid (Ph. G. 1882)

par Charlie

General

13
0
0
0
0
0
Coker Gas Oil and Petroleum Coke: Vacuum Residue Delayed-Coked at about 920 °F (Gulf, US 3,071,535)

Coker Gas Oil and Petroleum Coke: Vacuum Residue Delayed-Coked at about 920 °F (Gulf, US 3,071,535)

par Charlie

General

2
0
0
0
0
0
Zinc Sulphide: Zinc Sulphate, Ammonia and Carbon Disulphide in a Closed Digester (1900)
Dangereux

Zinc Sulphide: Zinc Sulphate, Ammonia and Carbon Disulphide in a Closed Digester (1900)

par Charlie

General

4
0
0
0
0
0
Zinc Sulphide Phosphor: Precipitated Sulphide Heated to Redness with a Flux (Thorpe 1913)

Zinc Sulphide Phosphor: Precipitated Sulphide Heated to Redness with a Flux (Thorpe 1913)

par Charlie

General

1
0
0
0
0
0
Silica-Alumina Cracking Catalyst, 85 % Silica and 15 % Alumina: Water Glass Gelled with Acid, Alumina Precipitated on It (Thomas & Ahlberg, UOP, US 2,285,314)
Dangereux

Silica-Alumina Cracking Catalyst, 85 % Silica and 15 % Alumina: Water Glass Gelled with Acid, Alumina Precipitated on It (Thomas & Ahlberg, UOP, US 2,285,314)

par Charlie

General

5
0
0
0
0
0
Oyster Mushroom Grain Spawn: Boiled Wheat with Lime and Gypsum, 121 °C

Oyster Mushroom Grain Spawn: Boiled Wheat with Lime and Gypsum, 121 °C

par Bob

General

10
0
0
0
0
0
Para-Phenylenediamine: p-Nitraniline Reduced with Tin and Hydrochloric Acid (Thorpe 1913)
Dangereux

Para-Phenylenediamine: p-Nitraniline Reduced with Tin and Hydrochloric Acid (Thorpe 1913)

par Charlie

General

6
0
0
0
0
0
Fired Silver Paint: Silver Oxide and Flux in Polyvinyl Alcohol and Water (Gray, Erie Resistor 1954, Ex. 2)

Fired Silver Paint: Silver Oxide and Flux in Polyvinyl Alcohol and Water (Gray, Erie Resistor 1954, Ex. 2)

par Ed

General

4
0
0
0
0
0
Stannic Chloride: Chlorine over Tin in Stoneware Retorts Kept above 114 °C (Townsend, US 877,261, 1908)
Dangereux

Stannic Chloride: Chlorine over Tin in Stoneware Retorts Kept above 114 °C (Townsend, US 877,261, 1908)

par Charlie

General

1
0
0
0
0
0
FCC Gasoline: Gas Oil Cracked over Fluidised Silica-Alumina at 975 °F, 71.5 % Conversion (Gulf, US 3,071,535)

FCC Gasoline: Gas Oil Cracked over Fluidised Silica-Alumina at 975 °F, 71.5 % Conversion (Gulf, US 3,071,535)

par Charlie

General

2
0
0
0
0
0
Polymer Gasoline: Propylene from Cracked Gas Polymerised over Phosphoric Acid (Gulf, US 3,071,535)

Polymer Gasoline: Propylene from Cracked Gas Polymerised over Phosphoric Acid (Gulf, US 3,071,535)

par Charlie

General

3
0
0
0
0
0
Iso-hexanes and Isopentane: Light Straight-Run Gasoline Isomerised over Platinum-Alumina with Hydrogen (Gulf, US 3,071,535)

Iso-hexanes and Isopentane: Light Straight-Run Gasoline Isomerised over Platinum-Alumina with Hydrogen (Gulf, US 3,071,535)

par Charlie

General

1
0
0
0
0
0
Hydro-treated Gasoline: Cracked Light Gas Oil and Isoheptanes Desulphurised with Hydrogen over Cobalt Molybdate at 700 °F (Gulf, US 3,071,535)

Hydro-treated Gasoline: Cracked Light Gas Oil and Isoheptanes Desulphurised with Hydrogen over Cobalt Molybdate at 700 °F (Gulf, US 3,071,535)

par Charlie

General

2
0
0
0
0
0
Strontium-Calcium Ferrite Disc Magnet: Equal Strontium and Calcium, 1280 °C (Went, Philips 1956, Ex. 27)

Strontium-Calcium Ferrite Disc Magnet: Equal Strontium and Calcium, 1280 °C (Went, Philips 1956, Ex. 27)

par Charlie

General

2
0
0
0
0
0
Regular Gasoline, Research Octane 95.7: Cracked Gasoline, Reformate, Polymer, Iso-hexanes and Hydro-treated Gasoline with 2.7 cc Lead (Gulf, US 3,071,535)
Dangereux

Regular Gasoline, Research Octane 95.7: Cracked Gasoline, Reformate, Polymer, Iso-hexanes and Hydro-treated Gasoline with 2.7 cc Lead (Gulf, US 3,071,535)

par Charlie

General

3
0
0
0
0
0
Ketene: Acetone Vapour over Hot Porous Earthenware (Schmidlin and Bergman 1910)
Dangereux

Ketene: Acetone Vapour over Hot Porous Earthenware (Schmidlin and Bergman 1910)

par Charlie

General

5
0
0
0
0
0
Ketene Dimer: Ketene Left to Polymerise, the 126-127 °C Liquid (Thorpe 1912)
Dangereux

Ketene Dimer: Ketene Left to Polymerise, the 126-127 °C Liquid (Thorpe 1912)

par Charlie

General

5
0
0
0
0
0
Acetoacetanilide: Ketene Dimer Combined with Aniline (Thorpe 1912)

Acetoacetanilide: Ketene Dimer Combined with Aniline (Thorpe 1912)

par Charlie

General

1
0
0
0
0
0
Reduced Iron: Iron Oxide Heated in Hydrogen, USP 1860
Dangereux

Reduced Iron: Iron Oxide Heated in Hydrogen, USP 1860

par Charlie

General

12
0
0
0
0
0
Guitar Strings: Bronze Wound on Steel, Then Heat-Soaked (Stone and Falcone 1977)

Guitar Strings: Bronze Wound on Steel, Then Heat-Soaked (Stone and Falcone 1977)

par Woody

General

5
0
0
0
0
0
Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work

par Dwalin

General

69
0
0
0
0
0
Cobalt Nitrate: Cobalt Oxide Dissolved in Nitric Acid (Thorpe 1912)
Dangereux

Cobalt Nitrate: Cobalt Oxide Dissolved in Nitric Acid (Thorpe 1912)

par Charlie

General

2
0
0
0
0
0
Cobalt Molybdate Catalyst: Acid-Washed Alumina Impregnated to 6.5 % Molybdenum and 0.8 % Cobalt, Pelleted (Hoog, Shell, US 2,608,521)
Dangereux

Cobalt Molybdate Catalyst: Acid-Washed Alumina Impregnated to 6.5 % Molybdenum and 0.8 % Cobalt, Pelleted (Hoog, Shell, US 2,608,521)

par Charlie

General

5
0
0
0
0
0
Chlorobenzene: Chlorine into Cold Benzene over an Iron Catalyst, Rabinovitz 1916
Dangereux

Chlorobenzene: Chlorine into Cold Benzene over an Iron Catalyst, Rabinovitz 1916

par Charlie

General

12
0
0
0
0
0
Hydrogen Sulfide: Dilute Sulphuric Acid on Ferrous Sulfide, Collected over Hot Water (Thorpe 1912)
Dangereux

Hydrogen Sulfide: Dilute Sulphuric Acid on Ferrous Sulfide, Collected over Hot Water (Thorpe 1912)

par Charlie

General

3
0
0
0
0
0
Gear Motor: Small Motor on a Three-Shaft Box of Floating Gears (Swenson 1959)

Gear Motor: Small Motor on a Three-Shaft Box of Floating Gears (Swenson 1959)

par Emma

General

3
0
0
0
0
0
Crude Oil Distilled in a Cylinder Still: Benzine, Burning Oil and Residuum (Sadtler, in Thorpe 1913)

Crude Oil Distilled in a Cylinder Still: Benzine, Burning Oil and Residuum (Sadtler, in Thorpe 1913)

par Charlie

General

6
0
0
0
0
0
Woven Wire Screen Cloth: Hardened Crimped Steel Rods Locked by Driven Straight Rods (Robins, US 2,154,530, 1939)

Woven Wire Screen Cloth: Hardened Crimped Steel Rods Locked by Driven Straight Rods (Robins, US 2,154,530, 1939)

par Charlie

General

0
0
0
0
0
0
Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure

par Balin

General

54
0
0
0
0
0
Bismuth Oxide: Bismuth Burned at a Red-White Heat in a Muffle (Thorpe 1913)

Bismuth Oxide: Bismuth Burned at a Red-White Heat in a Muffle (Thorpe 1913)

par Charlie

General

1
0
0
0
0
0
Benzoic Acid: Sublimed from Gum Benzoin into a Paper Cone at 170 °C (Mohr, after Thorpe 1912)

Benzoic Acid: Sublimed from Gum Benzoin into a Paper Cone at 170 °C (Mohr, after Thorpe 1912)

par Charlie

General

2
0
0
0
0
0
Phosphorus Pentachloride: Dry Chlorine Passed over Cooled Phosphorus Trichloride (Thorpe 1912)
Dangereux

Phosphorus Pentachloride: Dry Chlorine Passed over Cooled Phosphorus Trichloride (Thorpe 1912)

par Charlie

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, Sintered Disc (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, Sintered Disc (Masuyama 1972)

par Ed

General

4
0
0
0
0
0
Hydrogen Peroxide 10 %: the 3 % Solution Evaporated in Air at 75 °C, Checked with Permanganate (Thorpe 1912)

Hydrogen Peroxide 10 %: the 3 % Solution Evaporated in Air at 75 °C, Checked with Permanganate (Thorpe 1912)

par Charlie

General

1
0
0
0
0
0
Electrolytic Iron: Brown Ferrous Electrolyte, Rotating Cathode at 75-77 °C, Graphite Anodes (Bouchayer, US 1,516,326)

Electrolytic Iron: Brown Ferrous Electrolyte, Rotating Cathode at 75-77 °C, Graphite Anodes (Bouchayer, US 1,516,326)

par Charlie

General

0
0
0
0
0
0
Benzoyl Peroxide: Benzoyl Chloride Shaken with Cold 10 % Hydrogen Peroxide and Lye (Pechmann & Vanino 1894)
Dangereux

Benzoyl Peroxide: Benzoyl Chloride Shaken with Cold 10 % Hydrogen Peroxide and Lye (Pechmann & Vanino 1894)

par Charlie

General

2
0
0
0
0
0
Acrylic Pellets: Methyl Methacrylate Stirred into Beads in Gelatine Water at 75 °C (Crawford & McGrath, ICI, US 2,108,044)

Acrylic Pellets: Methyl Methacrylate Stirred into Beads in Gelatine Water at 75 °C (Crawford & McGrath, ICI, US 2,108,044)

par Charlie

General

3
0
0
0
0
0
Fired Silver Paint: Five Parts Silver to One Part Lead Borate, Ground in Oil (NBS Circular 468, 1947)
Dangereux

Fired Silver Paint: Five Parts Silver to One Part Lead Borate, Ground in Oil (NBS Circular 468, 1947)

par Ed

General

7
0
0
0
0
0
Ferrosilicon: Silica, Carbon and Scrap Iron Smelted with Bituminous Coal in an Electric Furnace (Furness, US 1,284,645)

Ferrosilicon: Silica, Carbon and Scrap Iron Smelted with Bituminous Coal in an Electric Furnace (Furness, US 1,284,645)

par Charlie

General

0
0
0
0
0
0
Ferroboron: Colemanite Reduced by Ferrosilicon above 2000 °C in an Arc Furnace (Hansen, GE, US 982,135, 1911)

Ferroboron: Colemanite Reduced by Ferrosilicon above 2000 °C in an Arc Furnace (Hansen, GE, US 982,135, 1911)

par Charlie

General

0
0
0
0
0
0
Solenoid: Iron-Clad Valve Magnet with Two Coils, 1860 and 1765 Turns (Nachod 1905, in Underhill 1910)

Solenoid: Iron-Clad Valve Magnet with Two Coils, 1860 and 1765 Turns (Nachod 1905, in Underhill 1910)

par Charlie

General

1
0
0
0
0
0
Ceresine Wax: Ozokerite Boiled with Sulphuric Acid, Then Bleached (Gregorius 1908)
Dangereux

Ceresine Wax: Ozokerite Boiled with Sulphuric Acid, Then Bleached (Gregorius 1908)

par Charlie

General

4
0
0
0
0
0
Tetraethyl Lead Reaction Mass: Lead-Sodium Alloy Activated with Aluminium Chloride, Treated with Ethyl Chloride at 35-90 °C (Calcott, du Pont, US 1,962,173)
Dangereux

Tetraethyl Lead Reaction Mass: Lead-Sodium Alloy Activated with Aluminium Chloride, Treated with Ethyl Chloride at 35-90 °C (Calcott, du Pont, US 1,962,173)

par Charlie

General

7
0
0
0
0
0
Neodymium Oxide: Rare Earths Separated into Coloured Bands on a Bleached Resin Column (Jaffe, US 2,897,050)
Dangereux

Neodymium Oxide: Rare Earths Separated into Coloured Bands on a Bleached Resin Column (Jaffe, US 2,897,050)

par Charlie

General

0
0
0
0
0
0
Neodymium Metal: Oxide Reduced by Graphite in Vacuum, Distilled at 1900 °C onto Tantalum (Downing, Union Carbide, US 3,104,970)

Neodymium Metal: Oxide Reduced by Graphite in Vacuum, Distilled at 1900 °C onto Tantalum (Downing, Union Carbide, US 3,104,970)

par Charlie

General

0
0
0
0
0
0
Building a Screw-Cutting Lathe — The Machine That Makes Other Machines

Building a Screw-Cutting Lathe — The Machine That Makes Other Machines

par Gimli

General

55
0
0
0
0
0
Neodymium Magnets: Melt-Spun Ribbon Milled, Pressed in a Field, Sintered and Magnetised at 30 kOe (Sato, Tokin, US 4,881,986)

Neodymium Magnets: Melt-Spun Ribbon Milled, Pressed in a Field, Sintered and Magnetised at 30 kOe (Sato, Tokin, US 4,881,986)

par Charlie

General

0
0
0
0
0
0
Phosphor Bronze Ingot: 90 Copper Melted under Charcoal with 10 Phosphor-Tin, Stirred with Graphite (Thurston)

Phosphor Bronze Ingot: 90 Copper Melted under Charcoal with 10 Phosphor-Tin, Stirred with Graphite (Thurston)

par Charlie

General

3
0
0
0
0
0
Phosphor Bronze Wire: Cast Billet Extruded at 570-620 °C, then Cold Drawn without Annealing (Barthel, Lurgi, US 2,079,239)

Phosphor Bronze Wire: Cast Billet Extruded at 570-620 °C, then Cold Drawn without Annealing (Barthel, Lurgi, US 2,079,239)

par Charlie

General

3
0
0
0
0
0
Lactic Acid: Fermented Whey, Lime, Oxalic Acid and Alcohol (Louradour, US Dispensatory 1907)

Lactic Acid: Fermented Whey, Lime, Oxalic Acid and Alcohol (Louradour, US Dispensatory 1907)

par Charlie

General

4
0
0
0
0
0
Neodymium Magnets, Sample 6: 78Fe-7B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 6: 78Fe-7B-15Nd Sintered (Sagawa 1988)

par Forge

General

3
0
0
0
0
0
Clear Adhesive Tape, Example E as Written: Rubber, Rosin and Beta-Naphthol in Benzol (Drew 1939)
Dangereux

Clear Adhesive Tape, Example E as Written: Rubber, Rosin and Beta-Naphthol in Benzol (Drew 1939)

par Mary

General

2
0
0
0
0
0
Milk Sugar: Whey Boiled to a Fifteenth, Crystallised and Decolourised (US Dispensatory 1907)

Milk Sugar: Whey Boiled to a Fifteenth, Crystallised and Decolourised (US Dispensatory 1907)

par Charlie

General

5
0
0
0
0
0
Lactic Acid: Wackenroder's Calcium Lactate Split with Oxalic Acid (US Dispensatory 1907)

Lactic Acid: Wackenroder's Calcium Lactate Split with Oxalic Acid (US Dispensatory 1907)

par Charlie

General

3
0
0
0
0
0
Milk Sugar: Creamery Whey Cleared with Acid and Lime, Crystallised in Vacuo (LaWall 1902)
Dangereux

Milk Sugar: Creamery Whey Cleared with Acid and Lime, Crystallised in Vacuo (LaWall 1902)

par Charlie

General

5
0
0
0
0
0
Neodymium Magnets, Sample 4: 81Fe-4B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 4: 81Fe-4B-15Nd Sintered (Sagawa 1988)

par Forge

General

4
0
0
0
0
0
Phosphor-Tin: Sponge Tin and Stick Phosphorus Layered in Charcoal and Heated in a Sealed Crucible (Berthold, US 658,230)
Dangereux

Phosphor-Tin: Sponge Tin and Stick Phosphorus Layered in Charcoal and Heated in a Sealed Crucible (Berthold, US 658,230)

par Charlie

General

2
0
0
0
0
0
Neodymium Magnets, Sample 7: 77Fe-8B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 7: 77Fe-8B-15Nd Sintered (Sagawa 1988)

par Forge

General

3
0
0
0
0
0
Neodymium Magnets, Sample 8: 75Fe-10B-15Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 8: 75Fe-10B-15Nd Sintered (Sagawa 1988)

par Forge

General

4
0
0
0
0
0
PTFE Thread Seal Tape: Paste-Extruded, Calendered, Never Sintered

PTFE Thread Seal Tape: Paste-Extruded, Calendered, Never Sintered

par Emma

General

9
0
0
0
0
0
Neodymium Magnets, Sample 21: 75Fe-8B-17Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 21: 75Fe-8B-17Nd Sintered (Sagawa 1988)

par Forge

General

5
0
0
0
0
0
Butyraldehyde: Butyl Alcohol Dehydrogenated over Copper Pellets at 400-680 °F (Hasche, Eastman, US 2,173,111)

Butyraldehyde: Butyl Alcohol Dehydrogenated over Copper Pellets at 400-680 °F (Hasche, Eastman, US 2,173,111)

par Charlie

General

0
0
0
0
0
0
Tributyl Citrate: Citric Acid and Butanol Esterified in a Hot Pressure Coil at 175 °C (Bruins, Pfizer, US 2,766,273)
Dangereux

Tributyl Citrate: Citric Acid and Butanol Esterified in a Hot Pressure Coil at 175 °C (Bruins, Pfizer, US 2,766,273)

par Charlie

General

0
0
0
0
0
0
Polyvinyl Butyral Resin: Polyvinyl Acetate and Butyraldehyde in Methanol with Acid at 45 °C (Perkins, Union Carbide, US 2,194,613)
Dangereux

Polyvinyl Butyral Resin: Polyvinyl Acetate and Butyraldehyde in Methanol with Acid at 45 °C (Perkins, Union Carbide, US 2,194,613)

par Charlie

General

0
0
0
0
0
0
Clear Laminating Film: Polyvinyl Butyral Plasticised with Tributyl Citrate and Extruded (Nason, Monsanto, US 2,126,028)

Clear Laminating Film: Polyvinyl Butyral Plasticised with Tributyl Citrate and Extruded (Nason, Monsanto, US 2,126,028)

par Charlie

General

1
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.5 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.5 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 0.5 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 0.5 mm (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Manganese Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Manganese Oxides, 1350 °C (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Chromic Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Chromic Oxides, 1350 °C (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
PTFE Sheet: Compact-Extruded Films, Sintered, Laid at 45° and Fused (MacFarland, Hills-McCanna, US 3,130,954)

PTFE Sheet: Compact-Extruded Films, Sintered, Laid at 45° and Fused (MacFarland, Hills-McCanna, US 3,130,954)

par Charlie

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Barium Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Barium Oxides, 1350 °C (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Tin Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Tin Oxides, 1350 °C (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Nickel Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Nickel Oxides, 1350 °C (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth and Aluminium Oxides, 1350 °C (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with Bismuth and Aluminium Oxides, 1350 °C (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Barium Ferrite Disc Magnet, Sintered at 1200 °C (Went, Philips 1956)

Barium Ferrite Disc Magnet, Sintered at 1200 °C (Went, Philips 1956)

par Charlie

General

1
0
0
0
0
0
Bismuth Subnitrate: Bismuth through Nitrate and Carbonate to the White Powder (USP 1870)
Dangereux

Bismuth Subnitrate: Bismuth through Nitrate and Carbonate to the White Powder (USP 1870)

par Charlie

General

1
0
0
0
0
0
Uninked Ribbon Fabric: Undyed Raw Silk Weighted in Stannic Chloride (Beall, US 1,263,019, 1918)

Uninked Ribbon Fabric: Undyed Raw Silk Weighted in Stannic Chloride (Beall, US 1,263,019, 1918)

par Charlie

General

2
0
0
0
0
0
Bismuth Oxide: Subnitrate Heated until the Red Fumes Stop (Thorpe 1913)
Dangereux

Bismuth Oxide: Subnitrate Heated until the Red Fumes Stop (Thorpe 1913)

par Charlie

General

0
0
0
0
0
0
Bismuth Oxide: Subnitrate Boiled with Sodium Hydroxide Solution (British Pharmacopoeia, 1907)

Bismuth Oxide: Subnitrate Boiled with Sodium Hydroxide Solution (British Pharmacopoeia, 1907)

par Charlie

General

5
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Barium Oxides, 1350 °C (Masuyama 1972, Ex. 3)

Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Barium Oxides, 1350 °C (Masuyama 1972, Ex. 3)

par Ed

General

1
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Titanium Oxides, 1350 °C (Masuyama 1972, Ex. 3)

Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Titanium Oxides, 1350 °C (Masuyama 1972, Ex. 3)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Chromic Oxides, 1350 °C (Masuyama 1972, Ex. 3)

Metal Oxide Varistor: Zinc Oxide with Bismuth, Manganese and Chromic Oxides, 1350 °C (Masuyama 1972, Ex. 3)

par Ed

General

2
0
0
0
0
0
Barium-Calcium Ferrite Disc Magnet: Part of the Barium Replaced by Calcium (Went, Philips 1956, Ex. 21)

Barium-Calcium Ferrite Disc Magnet: Part of the Barium Replaced by Calcium (Went, Philips 1956, Ex. 21)

par Charlie

General

2
0
0
0
0
0
Barium Ferrite Disc Magnet: Fired in Carbon Dioxide, Pressed at 12 t/cm² (Went, Philips 1956, Ex. 33)

Barium Ferrite Disc Magnet: Fired in Carbon Dioxide, Pressed at 12 t/cm² (Went, Philips 1956, Ex. 33)

par Charlie

General

3
0
0
0
0
0
Barium-Calcium Ferrite Disc Magnet: Equal Barium and Calcium, Sintered at 1280 °C (Went, Philips 1956, Ex. 22)

Barium-Calcium Ferrite Disc Magnet: Equal Barium and Calcium, Sintered at 1280 °C (Went, Philips 1956, Ex. 22)

par Charlie

General

2
0
0
0
0
0
Barium-Calcium Ferrite Disc Magnet: 5 % Calcium, Sintered at 1330 °C (Went, Philips 1956, Ex. 18)

Barium-Calcium Ferrite Disc Magnet: 5 % Calcium, Sintered at 1330 °C (Went, Philips 1956, Ex. 18)

par Charlie

General

1
0
0
0
0
0
Barium-Calcium Ferrite Disc Magnet: 20 % Calcium, 5 Minutes at 1290 °C (Went, Philips 1956, Ex. 20)

Barium-Calcium Ferrite Disc Magnet: 20 % Calcium, 5 Minutes at 1290 °C (Went, Philips 1956, Ex. 20)

par Charlie

General

2
0
0
0
0
0
Strontium Carbonate: Powdered Celestine Boiled with Soda Solution (Thorpe 1912)

Strontium Carbonate: Powdered Celestine Boiled with Soda Solution (Thorpe 1912)

par Charlie

General

6
0
0
0
0
0
Strontium Ferrite Disc Magnet: 0.4 mol SrCO3 to 3.6 mol Iron Oxide, 1270 °C (Went, Philips 1956, Ex. 14)

Strontium Ferrite Disc Magnet: 0.4 mol SrCO3 to 3.6 mol Iron Oxide, 1270 °C (Went, Philips 1956, Ex. 14)

par Charlie

General

1
0
0
0
0
0
Strontium Ferrite Disc Magnet: Presintered, 4 Minutes at 1150 °C (Went, Philips 1956, Ex. 25)

Strontium Ferrite Disc Magnet: Presintered, 4 Minutes at 1150 °C (Went, Philips 1956, Ex. 25)

par Charlie

General

0
0
0
0
0
0
Strontium Ferrite Disc Magnet: 1 : 10 Strontium to Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 26)

Strontium Ferrite Disc Magnet: 1 : 10 Strontium to Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 26)

par Charlie

General

0
0
0
0
0
0
Furfural from Oat Hulls Steamed with Sulfuric Acid in a Rotary Digester (Miner and Brownlee, Quaker Oats, US 1,735,084)
Dangereux

Furfural from Oat Hulls Steamed with Sulfuric Acid in a Rotary Digester (Miner and Brownlee, Quaker Oats, US 1,735,084)

par Charlie

General

1
0
0
0
0
0
Tetrahydrofuran from Caustic-Washed Furan Hydrogenated over Nickel on Kieselguhr (Banford and Manes, du Pont, US 2,846,449)

Tetrahydrofuran from Caustic-Washed Furan Hydrogenated over Nickel on Kieselguhr (Banford and Manes, du Pont, US 2,846,449)

par Charlie

General

1
0
0
0
0
0
Furan from Furfural Vapour and Steam over Zinc-Iron Chromite (Whitman, du Pont, US 2,374,149)

Furan from Furfural Vapour and Steam over Zinc-Iron Chromite (Whitman, du Pont, US 2,374,149)

par Charlie

General

1
0
0
0
0
0
Cyclohexanone from Cyclohexanol Steam-Distilled over Copper-Chromium-Barium Oxide (Winans, Wingfoot, US 2,218,457)

Cyclohexanone from Cyclohexanol Steam-Distilled over Copper-Chromium-Barium Oxide (Winans, Wingfoot, US 2,218,457)

par Charlie

General

1
0
0
0
0
0
PVC Solvent Cement: Tetrahydrofuran, Cyclohexanone and PVC Resin (Gheen, US 3,539,166)

PVC Solvent Cement: Tetrahydrofuran, Cyclohexanone and PVC Resin (Gheen, US 3,539,166)

par Charlie

General

2
0
0
0
0
0
Push Button: Normally Open Momentary Switch with a Cushioned Contact (De Reamer, GE 1939)

Push Button: Normally Open Momentary Switch with a Cushioned Contact (De Reamer, GE 1939)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.1 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.1 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

par Ed

General

3
0
0
0
0
0
Cadmium Chloride: Cadmium Dissolved in Hydrochloric Acid and Evaporated (Thorpe 1912)
Dangereux

Cadmium Chloride: Cadmium Dissolved in Hydrochloric Acid and Evaporated (Thorpe 1912)

par Charlie

General

4
0
0
0
0
0
Cadmium Sulphide: Precipitated from a Cadmium Salt with an Alkaline Sulphide (Thorpe 1912)
Dangereux

Cadmium Sulphide: Precipitated from a Cadmium Salt with an Alkaline Sulphide (Thorpe 1912)

par Charlie

General

7
0
0
0
0
0
LDR Photoresistor: Sintered Cadmium Sulphide Layer on Glass with Silver Electrodes (Thomsen, RCA 1956)
Dangereux

LDR Photoresistor: Sintered Cadmium Sulphide Layer on Glass with Silver Electrodes (Thomsen, RCA 1956)

par Ed

General

4
0
0
0
0
0
Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity

par Gloin

General

41
0
0
0
0
0
Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 1300 °C (Masuyama 1972, Ex. 4)

Metal Oxide Varistor: Pure Zinc Oxide at 1350 °C, Bismuth Oxide Paste Fired at 1300 °C (Masuyama 1972, Ex. 4)

par Ed

General

1
0
0
0
0
0
Aircraft Dope: Celluloid in Acetone, Alcohol and Benzole with Beeswax and Paraffin Wax (Groves, US 1,366,256)
Dangereux

Aircraft Dope: Celluloid in Acetone, Alcohol and Benzole with Beeswax and Paraffin Wax (Groves, US 1,366,256)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C (Snoek 1948, Ex. I)

par Charlie

General

0
0
0
0
0
0
Uninked Ribbon Fabric: Nylon with a Crimped Filler, Relaxed in Soap (Thompson, US 2,918,160, 1959)

Uninked Ribbon Fabric: Nylon with a Crimped Filler, Relaxed in Soap (Thompson, US 2,918,160, 1959)

par Charlie

General

1
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

3
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

3
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1100 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

3
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C, Presintered Once at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

1
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1150 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1200 °C, Presintered Three Times at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: Weak 2000 Oersted Field, Then Pressed (Gorter, Philips 1956, Ex. 2)

Oriented Barium Ferrite Disc Magnet: Weak 2000 Oersted Field, Then Pressed (Gorter, Philips 1956, Ex. 2)

par Charlie

General

4
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

Ferrite Toroid Core: Copper-Zinc Ferrite Sintered at 1250 °C, Presintered Twice at 900 °C (Snoek 1948, Ex. I)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Magnesium-Zinc Ferrite, One-Day Grind, 1400 °C (Snoek 1948, Ex. II)

Ferrite Toroid Core: Magnesium-Zinc Ferrite, One-Day Grind, 1400 °C (Snoek 1948, Ex. II)

par Charlie

General

2
0
0
0
0
0
Ferrite Toroid Core: Nickel-Zinc Ferrite, Then 3 Days at 950 °C in Oxygen (Snoek 1948, Ex. III)
Dangereux

Ferrite Toroid Core: Nickel-Zinc Ferrite, Then 3 Days at 950 °C in Oxygen (Snoek 1948, Ex. III)

par Charlie

General

1
0
0
0
0
0
Battery Holder: Four C Cells in Two Sprung Compartments with a Z-Shaped Retainer (Lund 1979)

Battery Holder: Four C Cells in Two Sprung Compartments with a Z-Shaped Retainer (Lund 1979)

par Ed

General

3
0
0
0
0
0
Neodymium Magnets, Sample 19: 79Fe-8B-13Nd Sintered (Sagawa 1988)

Neodymium Magnets, Sample 19: 79Fe-8B-13Nd Sintered (Sagawa 1988)

par Forge

General

6
0
0
0
0
0
Barium Ferrite Disc Magnet: 1 mol BaCO3 to 2.5 mol Iron Oxide, 1310 °C (Went, Philips 1956, Ex. 1)

Barium Ferrite Disc Magnet: 1 mol BaCO3 to 2.5 mol Iron Oxide, 1310 °C (Went, Philips 1956, Ex. 1)

par Charlie

General

2
0
0
0
0
0
Barium Ferrite Disc Magnet: 1 mol BaCO3 to 3 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 2)

Barium Ferrite Disc Magnet: 1 mol BaCO3 to 3 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 2)

par Charlie

General

2
0
0
0
0
0
Barium Ferrite Disc Magnet: 1 mol BaCO3 to 3.5 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 3)

Barium Ferrite Disc Magnet: 1 mol BaCO3 to 3.5 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 3)

par Charlie

General

2
0
0
0
0
0
Barium Ferrite Disc Magnet: 0.5 mol BaCO3 to 3.5 mol Iron Oxide, 10 Minutes at 1330 °C (Went, Philips 1956, Ex. 4)

Barium Ferrite Disc Magnet: 0.5 mol BaCO3 to 3.5 mol Iron Oxide, 10 Minutes at 1330 °C (Went, Philips 1956, Ex. 4)

par Charlie

General

1
0
0
0
0
0
Selenium from Copper Refinery Slimes Baked with Nitre and Precipitated by Sulfur Dioxide (Betterton and Lebedeff, US 2,378,824)
Dangereux

Selenium from Copper Refinery Slimes Baked with Nitre and Precipitated by Sulfur Dioxide (Betterton and Lebedeff, US 2,378,824)

par Charlie

General

1
0
0
0
0
0
Barium Ferrite Disc Magnet: 0.4 mol BaCO3 to 3.2 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 5)

Barium Ferrite Disc Magnet: 0.4 mol BaCO3 to 3.2 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 5)

par Charlie

General

3
0
0
0
0
0
Barium Ferrite Disc Magnet: 0.4 mol BaCO3 to 3.7 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 6)

Barium Ferrite Disc Magnet: 0.4 mol BaCO3 to 3.7 mol Iron Oxide, 1330 °C (Went, Philips 1956, Ex. 6)

par Charlie

General

2
0
0
0
0
0
Strontium Ferrite Disc Magnet: Presintered at 1100 °C, 0.2 mol SrCO3 to 1.1 mol Iron Oxide (Went, Philips 1956, Ex. 7)

Strontium Ferrite Disc Magnet: Presintered at 1100 °C, 0.2 mol SrCO3 to 1.1 mol Iron Oxide (Went, Philips 1956, Ex. 7)

par Charlie

General

2
0
0
0
0
0
Strontium Ferrite Disc Magnet: 1 mol SrCO3 to 2.5 mol Iron Oxide, 1200 °C (Went, Philips 1956, Ex. 9)

Strontium Ferrite Disc Magnet: 1 mol SrCO3 to 2.5 mol Iron Oxide, 1200 °C (Went, Philips 1956, Ex. 9)

par Charlie

General

1
0
0
0
0
0
Strontium Ferrite Disc Magnet: 1 mol SrCO3 to 3 mol Iron Oxide, 1220 °C (Went, Philips 1956, Ex. 10)

Strontium Ferrite Disc Magnet: 1 mol SrCO3 to 3 mol Iron Oxide, 1220 °C (Went, Philips 1956, Ex. 10)

par Charlie

General

3
0
0
0
0
0
Strontium Ferrite Disc Magnet: 0.8 mol SrCO3 to 3.2 mol Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 11)

Strontium Ferrite Disc Magnet: 0.8 mol SrCO3 to 3.2 mol Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 11)

par Charlie

General

2
0
0
0
0
0
Strontium Ferrite Disc Magnet: 0.7 mol SrCO3 to 3.2 mol Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 12)

Strontium Ferrite Disc Magnet: 0.7 mol SrCO3 to 3.2 mol Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 12)

par Charlie

General

3
0
0
0
0
0
Strontium Ferrite Disc Magnet: 0.6 mol SrCO3 to 3 mol Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 13)

Strontium Ferrite Disc Magnet: 0.6 mol SrCO3 to 3 mol Iron Oxide, 1280 °C (Went, Philips 1956, Ex. 13)

par Charlie

General

2
0
0
0
0
0
Barium-Calcium Ferrite Disc Magnet: 0.09 mol BaCO3 and 0.01 mol CaCO3 (Went, Philips 1956, Ex. 19)

Barium-Calcium Ferrite Disc Magnet: 0.09 mol BaCO3 and 0.01 mol CaCO3 (Went, Philips 1956, Ex. 19)

par Charlie

General

5
0
0
0
0
0
Strontium-Calcium Ferrite Disc Magnet: 0.08 mol SrCO3 and 0.02 mol CaCO3, 1280 °C (Went, Philips 1956, Ex. 23)

Strontium-Calcium Ferrite Disc Magnet: 0.08 mol SrCO3 and 0.02 mol CaCO3, 1280 °C (Went, Philips 1956, Ex. 23)

par Charlie

General

1
0
0
0
0
0
Barium-Strontium Ferrite Disc Magnet: 0.5 mol BaCO3, 0.5 mol SrCO3, 1240 °C (Went, Philips 1956, Ex. 29)

Barium-Strontium Ferrite Disc Magnet: 0.5 mol BaCO3, 0.5 mol SrCO3, 1240 °C (Went, Philips 1956, Ex. 29)

par Charlie

General

1
0
0
0
0
0
Strontium-Calcium Ferrite Disc Magnet: 0.06 mol SrCO3 and 0.04 mol CaCO3, 1280 °C (Went, Philips 1956, Ex. 24)

Strontium-Calcium Ferrite Disc Magnet: 0.06 mol SrCO3 and 0.04 mol CaCO3, 1280 °C (Went, Philips 1956, Ex. 24)

par Charlie

General

0
0
0
0
0
0
Barium-Strontium Ferrite Disc Magnet: 0.09 mol BaCO3, 0.21 mol SrCO3, 1300 °C (Went, Philips 1956, Ex. 31)

Barium-Strontium Ferrite Disc Magnet: 0.09 mol BaCO3, 0.21 mol SrCO3, 1300 °C (Went, Philips 1956, Ex. 31)

par Charlie

General

3
0
0
0
0
0
Barium-Strontium Ferrite Disc Magnet: 0.5 mol BaCO3, 0.5 mol SrCO3, 1260 °C (Went, Philips 1956, Ex. 28)

Barium-Strontium Ferrite Disc Magnet: 0.5 mol BaCO3, 0.5 mol SrCO3, 1260 °C (Went, Philips 1956, Ex. 28)

par Charlie

General

1
0
0
0
0
0
Barium-Strontium Ferrite Disc Magnet: 0.21 mol BaCO3, 0.09 mol SrCO3, 1300 °C (Went, Philips 1956, Ex. 30)

Barium-Strontium Ferrite Disc Magnet: 0.21 mol BaCO3, 0.09 mol SrCO3, 1300 °C (Went, Philips 1956, Ex. 30)

par Charlie

General

2
0
0
0
0
0
Strontium Ferrite Disc Magnet, Sintered 4 Hours at 1300 °C (Went, Philips 1956, Ex. 34)

Strontium Ferrite Disc Magnet, Sintered 4 Hours at 1300 °C (Went, Philips 1956, Ex. 34)

par Charlie

General

3
0
0
0
0
0
Barium Ferrite Disc Magnet from Natural Magnetite, Presintered at 900 °C (Went, Philips 1956, Ex. 36, Procedure 1)

Barium Ferrite Disc Magnet from Natural Magnetite, Presintered at 900 °C (Went, Philips 1956, Ex. 36, Procedure 1)

par Charlie

General

2
0
0
0
0
0
Barium Ferrite Disc Magnet from Natural Magnetite, Pressed Without Presintering (Went, Philips 1956, Ex. 36, Procedure 2)

Barium Ferrite Disc Magnet from Natural Magnetite, Pressed Without Presintering (Went, Philips 1956, Ex. 36, Procedure 2)

par Charlie

General

1
0
0
0
0
0
Lead Dioxide: Red Lead Treated with Nitric Acid (Thorpe 1912)
Dangereux

Lead Dioxide: Red Lead Treated with Nitric Acid (Thorpe 1912)

par Charlie

General

5
0
0
0
0
0
Lead Ferrite Disc Magnet: 0.3 mol PbO2 to 1.5 mol Iron Oxide, Two-Stage Presinter (Went, Philips 1956, Ex. 16)
Dangereux

Lead Ferrite Disc Magnet: 0.3 mol PbO2 to 1.5 mol Iron Oxide, Two-Stage Presinter (Went, Philips 1956, Ex. 16)

par Charlie

General

5
0
0
0
0
0
Lead Ferrite Disc Magnet: 0.3 mol PbO2 to 1.2 mol Iron Oxide, Two-Stage Presinter (Went, Philips 1956, Ex. 15)
Dangereux

Lead Ferrite Disc Magnet: 0.3 mol PbO2 to 1.2 mol Iron Oxide, Two-Stage Presinter (Went, Philips 1956, Ex. 15)

par Charlie

General

3
0
0
0
0
0
Lead Ferrite Disc Magnet: 0.15 mol PbO2 to 0.9 mol Iron Oxide, Presintered at 900 °C (Went, Philips 1956, Ex. 17)
Dangereux

Lead Ferrite Disc Magnet: 0.15 mol PbO2 to 0.9 mol Iron Oxide, Presintered at 900 °C (Went, Philips 1956, Ex. 17)

par Charlie

General

3
0
0
0
0
0
Barium-Lead Ferrite Disc Magnet: 0.35 mol BaCO3 and 0.3 mol PbO2, 1145 °C (Went, Philips 1956, Ex. 32)
Dangereux

Barium-Lead Ferrite Disc Magnet: 0.35 mol BaCO3 and 0.3 mol PbO2, 1145 °C (Went, Philips 1956, Ex. 32)

par Charlie

General

5
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: Set in a 9500 Oersted Field (Gorter, Philips 1956, Ex. 1)

Oriented Barium Ferrite Disc Magnet: Set in a 9500 Oersted Field (Gorter, Philips 1956, Ex. 1)

par Charlie

General

6
0
0
0
0
0
Barium Ferrite Disc Magnet: Example 2 Without the Orienting Field (Gorter, Philips 1956, Ex. 2 Comparison)

Barium Ferrite Disc Magnet: Example 2 Without the Orienting Field (Gorter, Philips 1956, Ex. 2 Comparison)

par Charlie

General

4
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: Binder Dried in a 2400 Oersted Field (Gorter, Philips 1956, Ex. 3)

Oriented Barium Ferrite Disc Magnet: Binder Dried in a 2400 Oersted Field (Gorter, Philips 1956, Ex. 3)

par Charlie

General

5
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: 10,000 Oersted Field (Gorter, Philips 1956, Ex. 4)

Oriented Barium Ferrite Disc Magnet: 10,000 Oersted Field (Gorter, Philips 1956, Ex. 4)

par Charlie

General

4
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: Water Instead of a Binder (Gorter, Philips 1956, Ex. 5)

Oriented Barium Ferrite Disc Magnet: Water Instead of a Binder (Gorter, Philips 1956, Ex. 5)

par Charlie

General

3
0
0
0
0
0
Oriented Barium Ferrite Disc Magnet: Heated to 500 °C Without a Field (Gorter, Philips 1956, Ex. 6)

Oriented Barium Ferrite Disc Magnet: Heated to 500 °C Without a Field (Gorter, Philips 1956, Ex. 6)

par Charlie

General

5
0
0
0
0
0
Barium Ferrite Disc Magnet: Example 7 Without the Orienting Field (Gorter, Philips 1956, Ex. 7 Comparison)

Barium Ferrite Disc Magnet: Example 7 Without the Orienting Field (Gorter, Philips 1956, Ex. 7 Comparison)

par Charlie

General

5
0
0
0
0
0
Strontium Ferrite Disc Magnet: Example 8 Without the Orienting Field (Gorter, Philips 1956, Ex. 8 Comparison)

Strontium Ferrite Disc Magnet: Example 8 Without the Orienting Field (Gorter, Philips 1956, Ex. 8 Comparison)

par Charlie

General

3
0
0
0
0
0
Oriented Strontium Ferrite Disc Magnet: Less Iron Oxide, 10,000 Oersted Field (Gorter, Philips 1956, Ex. 9)

Oriented Strontium Ferrite Disc Magnet: Less Iron Oxide, 10,000 Oersted Field (Gorter, Philips 1956, Ex. 9)

par Charlie

General

4
0
0
0
0
0
Strontium Ferrite Disc Magnet: Example 9 Without the Orienting Field (Gorter, Philips 1956, Ex. 9 Comparison)

Strontium Ferrite Disc Magnet: Example 9 Without the Orienting Field (Gorter, Philips 1956, Ex. 9 Comparison)

par Charlie

General

4
0
0
0
0
0
Dichloromethane: Chloroform Reduced with Zinc, Alcohol and Hydrochloric Acid (Greene, in Thorpe 1912)
Dangereux

Dichloromethane: Chloroform Reduced with Zinc, Alcohol and Hydrochloric Acid (Greene, in Thorpe 1912)

par Charlie

General

5
0
0
0
0
0
Extruded Polystyrene Foam: Methyl and Methylene Chloride Gel Let Out at 80 °C (McIntire, Dow 1948, Ex. 2)
Dangereux

Extruded Polystyrene Foam: Methyl and Methylene Chloride Gel Let Out at 80 °C (McIntire, Dow 1948, Ex. 2)

par Charlie

General

6
0
0
0
0
0
Extruded Polystyrene Foam: Methyl and Methylene Chloride Gel Let Out at 90 °C (McIntire, Dow 1948, Ex. 2)
Dangereux

Extruded Polystyrene Foam: Methyl and Methylene Chloride Gel Let Out at 90 °C (McIntire, Dow 1948, Ex. 2)

par Charlie

General

4
0
0
0
0
0
Extruded Polystyrene Foam: Methyl and Methylene Chloride Gel Let Out at 100 °C (McIntire, Dow 1948, Ex. 2)
Dangereux

Extruded Polystyrene Foam: Methyl and Methylene Chloride Gel Let Out at 100 °C (McIntire, Dow 1948, Ex. 2)

par Charlie

General

4
0
0
0
0
0
Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 40 °C (McIntire, Dow 1948, Ex. 3, Test 1)

Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 40 °C (McIntire, Dow 1948, Ex. 3, Test 1)

par Charlie

General

4
0
0
0
0
0
Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 50 °C (McIntire, Dow 1948, Ex. 3, Test 2)

Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 50 °C (McIntire, Dow 1948, Ex. 3, Test 2)

par Charlie

General

4
0
0
0
0
0
Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 75 °C (McIntire, Dow 1948, Ex. 3, Test 4)

Extruded Polystyrene Foam: Propylene-Blown Log Let Out at 75 °C (McIntire, Dow 1948, Ex. 3, Test 4)

par Charlie

General

3
0
0
0
0
0
Extruded Polystyrene Foam: Butylene-Blown Logs 20 Inches Across (McIntire, Dow 1948, Ex. 4)

Extruded Polystyrene Foam: Butylene-Blown Logs 20 Inches Across (McIntire, Dow 1948, Ex. 4)

par Charlie

General

4
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 750 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 750 °C, 1.0 mm (Masuyama 1972)

par Ed

General

1
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1300 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1300 °C, 1.0 mm (Masuyama 1972)

par Ed

General

3
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 2.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 2.0 mm (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 1.5 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 1.5 mm (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 0.8 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.2 % Bismuth Oxide, 1000 °C, 0.8 mm (Masuyama 1972)

par Ed

General

2
0
0
0
0
0
Metal Oxide Varistor: Zinc Oxide with 0.05 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

Metal Oxide Varistor: Zinc Oxide with 0.05 % Bismuth Oxide, 1100 °C, 1.0 mm (Masuyama 1972)

par Ed

General

3
0
0
0
0
0