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Eras

2,348 blueprints available • 17 subcategories

Blueprints (2,348)

Digital Caliper: Capacitive Scale and Slider with Two-Chip Electronics (Baxter and Buehler, Starrett, 1986)

Digital Caliper: Capacitive Scale and Slider with Two-Chip Electronics (Baxter and Buehler, Starrett, 1986)

by EdFI

Electronics

9
0
0
0
0
0
Protactinium: from the Zirconium Phosphate Concentrate (Grosse and Agruss, 1934; Isolation Method Unknown)
Hazardous

Protactinium: from the Zirconium Phosphate Concentrate (Grosse and Agruss, 1934; Isolation Method Unknown)

by CharlieDE

Inorganic

4
0
0
0
0
0
Protactinium Concentrate: Pitchblende Residues Leached, Fused and Carried Down on Zirconium Phosphate (Agruss, 1935)
Hazardous

Protactinium Concentrate: Pitchblende Residues Leached, Fused and Carried Down on Zirconium Phosphate (Agruss, 1935)

by CharlieDE

Inorganic

5
0
0
0
0
0
Lutetium: Fluoride Reduced by Calcium in Tantalum under Argon, Remelted under Half an Atmosphere of Argon (Spedding and Daane, 1954)

Lutetium: Fluoride Reduced by Calcium in Tantalum under Argon, Remelted under Half an Atmosphere of Argon (Spedding and Daane, 1954)

by CharlieDE

Inorganic

6
0
0
0
0
0
Lutetium Fluoride: Oxide Converted in HF and Argon at 750 °C, then Melted in HF to Remove the Last Oxygen (Henderson, Ames 1970)
Hazardous

Lutetium Fluoride: Oxide Converted in HF and Argon at 750 °C, then Melted in HF to Remove the Last Oxygen (Henderson, Ames 1970)

by CharlieDE

Inorganic

3
0
0
0
0
0
Arduino Uno R3: Assembled from Arduino's Open UNO-TH Rev3e Design Files and Flashed over ICSP

Arduino Uno R3: Assembled from Arduino's Open UNO-TH Rev3e Design Files and Flashed over ICSP

by EdFI

Electronics

10
0
0
0
0
0
Capacitor Kit: Electrolytic and Ceramic Disc Capacitors Measured, Marked and Sorted

Capacitor Kit: Electrolytic and Ceramic Disc Capacitors Measured, Marked and Sorted

by EdFI

Electronics

5
0
0
0
0
0
Ceramic Disc Capacitors: Barium Titanate with Nickel Stannate, Pressed, Fired and Silvered (Coffeen, US 2,789,061)

Ceramic Disc Capacitors: Barium Titanate with Nickel Stannate, Pressed, Fired and Silvered (Coffeen, US 2,789,061)

by EdFI

Electronics

10
0
0
0
0
0
Electrolytic Capacitors: Borate Paper Wound with Formed Aluminium Foil and Vacuum-Impregnated (Danziger, US 2,107,780)

Electrolytic Capacitors: Borate Paper Wound with Formed Aluminium Foil and Vacuum-Impregnated (Danziger, US 2,107,780)

by EdFI

Electronics

4
0
0
0
0
0
1/4 W Resistor Kit: Carbon Film Resistors Rated and Colour-Coded to MIL-PRF-22684 Style RL07

1/4 W Resistor Kit: Carbon Film Resistors Rated and Colour-Coded to MIL-PRF-22684 Style RL07

by EdFI

Electronics

4
0
0
0
0
0
Carbon Film Resistors: Methane Cracked on Ceramic Rods, Helixed and Varnished (Bell Labs 1951)

Carbon Film Resistors: Methane Cracked on Ceramic Rods, Helixed and Varnished (Bell Labs 1951)

by EdFI

Electronics

5
0
0
0
0
0
Brake Cylinder: Piston with Packing Leather, Expander Ring and Release Spring (Westinghouse Air Brake Co., 1901)

Brake Cylinder: Piston with Packing Leather, Expander Ring and Release Spring (Westinghouse Air Brake Co., 1901)

by ForgeNO

Metalworking

6
0
0
0
0
0
Thread Locker: Tetraethylene Glycol Dimethacrylate with Cumene Hydroperoxide, Set When Air Is Shut Out (Krieble, US 2,895,950)

Thread Locker: Tetraethylene Glycol Dimethacrylate with Cumene Hydroperoxide, Set When Air Is Shut Out (Krieble, US 2,895,950)

by CharlieDE

Inorganic

5
0
0
0
0
0
Potassium Fluoride: Hydrofluoric Acid Neutralised with Potassium Carbonate in Platinum (Roscoe 1913)
Hazardous

Potassium Fluoride: Hydrofluoric Acid Neutralised with Potassium Carbonate in Platinum (Roscoe 1913)

by CharlieDE

Inorganic

4
0
0
0
0
0
Thulium: Oxide Reduced with Aluminium in Flowing Argon and the Vapour Condensed (CN 104152695 B)

Thulium: Oxide Reduced with Aluminium in Flowing Argon and the Vapour Condensed (CN 104152695 B)

by CharlieDE

Inorganic

3
0
0
0
0
0
Caesium: Caesium Chloride Reduced by Calcium in a Y-Tube under Vacuum (Thorpe 1912)

Caesium: Caesium Chloride Reduced by Calcium in a Y-Tube under Vacuum (Thorpe 1912)

by CharlieDE

Inorganic

6
0
0
0
0
0
Caesium Chloride: Pollucite Boiled in Hydrochloric Acid, Caesium Taken Out with Antimony Chloride (Fleischmann, US 2,808,313)
Hazardous

Caesium Chloride: Pollucite Boiled in Hydrochloric Acid, Caesium Taken Out with Antimony Chloride (Fleischmann, US 2,808,313)

by CharlieDE

Inorganic

8
0
0
0
0
0
Antimony Trichloride: Stibnite Dissolved in Hydrochloric Acid and Distilled (Thorpe 1912)
Hazardous

Antimony Trichloride: Stibnite Dissolved in Hydrochloric Acid and Distilled (Thorpe 1912)

by CharlieDE

Inorganic

6
0
0
0
0
0
Pyrites Flue Dust: Caught in the Dust Chambers of Maletra Shelf Burners (Benker, Lunge 1913)
Hazardous

Pyrites Flue Dust: Caught in the Dust Chambers of Maletra Shelf Burners (Benker, Lunge 1913)

by CharlieDE

Inorganic

6
0
0
0
0
0
Leached Copper Refinery Slimes: Copper Dissolved Out with Acid, Steam and Air (Anaconda, Peters 1905)
Hazardous

Leached Copper Refinery Slimes: Copper Dissolved Out with Acid, Steam and Air (Anaconda, Peters 1905)

by CharlieDE

Metalworking

3
0
0
0
0
0
Electrolytic Copper and Refinery Slimes: Blister Anodes Dissolved in Bluestone and Acid (Barnett, in Peters 1905)
Hazardous

Electrolytic Copper and Refinery Slimes: Blister Anodes Dissolved in Bluestone and Acid (Barnett, in Peters 1905)

by CharlieDE

Metalworking

6
0
0
0
1
0
Blister Copper: Matte Blown in a Quartz-Lined Converter (Parrot Works, Butte, Peters 1905)
Hazardous

Blister Copper: Matte Blown in a Quartz-Lined Converter (Parrot Works, Butte, Peters 1905)

by CharlieDE

Metalworking

8
0
0
0
0
0
Copper Matte: Hot Calcines Smelted to 50 % Matte in Butte Reverberatories (Peters 1905)

Copper Matte: Hot Calcines Smelted to 50 % Matte in Butte Reverberatories (Peters 1905)

by CharlieDE

Metalworking

5
0
0
0
0
0
Calcined Copper Concentrate: Pyritic Concentrates Roasted to 8 % Sulphur in Allen-O'Harra Calciners (Butte, Peters 1905)
Hazardous

Calcined Copper Concentrate: Pyritic Concentrates Roasted to 8 % Sulphur in Allen-O'Harra Calciners (Butte, Peters 1905)

by CharlieDE

Metalworking

3
0
0
0
0
0
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