Samvinna
LIST
FEGURÐ OG VELLÍÐAN
HANDVERK
MENNING OG SAGA
SKEMMTUN
UMHVERFI
MATUR OG DRYKKUR
ÖFUGVERKFRÆÐI
VÍSINDI
ÍÞRÓTTIR
TÆKNI
KLÆÐANLEG TÆKNI

Líffræði

128 teikningar tiltækar • 38 undirflokkar

Teikningar (128)

Sponge: Hooked and Crawl-Cured (Florida, Moore 1910)

Sponge: Hooked and Crawl-Cured (Florida, Moore 1910)

eftir CharlieDE

Industry 2.0 — Electricity, Steel & Oil (1870)

7
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Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

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

eftir CharlieDE

Grasafræði

3
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Kornsáðsbirgðir fyrir ostrusveppi: soðið hveiti með kalki og gipsi, 121 °C

Kornsáðsbirgðir fyrir ostrusveppi: soðið hveiti með kalki og gipsi, 121 °C

eftir BobBE

Líffræði

17
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Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

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

eftir BobBE

Líffræði

9
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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

eftir BobBE

Líffræði

17
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Microscope Mounting Medium: Canada Balsam Dissolved in Benzene

Microscope Mounting Medium: Canada Balsam Dissolved in Benzene

eftir BobBE

Vefjafræði

7
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Þrif og fituhreinsun dýrabeina

Þrif og fituhreinsun dýrabeina

eftir BobBE

Líffræði

39
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Plöntuvörnin sem er fest með merkimiðanum: Brotið spjaldkraga sem heldur niðri með merkimiða plöntunnar

Plöntuvörnin sem er fest með merkimiðanum: Brotið spjaldkraga sem heldur niðri með merkimiða plöntunnar

eftir BobBE

Ræktunarvísindi

40
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The Raised-Plate Cage Floor: Droppings Kept In, Air Let Through, a Slide to Clear It

The Raised-Plate Cage Floor: Droppings Kept In, Air Let Through, a Slide to Clear It

eftir ForgeNO

Fuglafræði

33
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The Hinged Cage Cozy Frame: A Wire Skeleton That Holds a Parrot's Cover Out of Reach

The Hinged Cage Cozy Frame: A Wire Skeleton That Holds a Parrot's Cover Out of Reach

eftir KarenSE

Fuglafræði

32
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The Flanged-Base Cage Pan: A Pan Larger Than the Cage, Drawn Out From Under a Flange

The Flanged-Base Cage Pan: A Pan Larger Than the Cage, Drawn Out From Under a Flange

eftir YourGrandmaIS

Fuglafræði

40
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The Glass Botanical Label: The Name Sealed Between Two Panes

The Glass Botanical Label: The Name Sealed Between Two Panes

eftir BobBE

Grasafræði

37
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The Siphon Bird Waterer: An Oblique Cut That Lets the Air In

The Siphon Bird Waterer: An Oblique Cut That Lets the Air In

eftir PennyDK

Vökvafræði

28
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The Knock-Down Bird Cage: Four Rods, Six Parts, Nuts for Feet

The Knock-Down Bird Cage: Four Rods, Six Parts, Nuts for Feet

eftir WoodyNO

Trésmiði

32
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The Paper-Roll Cage Floor: Pull a Clean Length Through, Tear Off the Old

The Paper-Roll Cage Floor: Pull a Clean Length Through, Tear Off the Old

eftir YourGrandmaIS

Fuglafræði

36
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The Oil-Moat Insect Guard: Up the Leg, Out the Flange, Down Into the Oil

The Oil-Moat Insect Guard: Up the Leg, Out the Flange, Down Into the Oil

eftir BobBE

Skordýrafræði

33
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The Wire-Netting Fly-Killer: A Flap With Folded Corners

The Wire-Netting Fly-Killer: A Flap With Folded Corners

eftir YourGrandmaIS

Vélfræði

25
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The Hinged Mosquito Canopy: A Frame That Folds Up From the Head-Board

The Hinged Mosquito Canopy: A Frame That Folds Up From the Head-Board

eftir BobBE

Skordýrafræði

29
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The Gritted Fly-Paper: Sand That Keeps the Sheets Apart

The Gritted Fly-Paper: Sand That Keeps the Sheets Apart

eftir CharlieDE

Efni

41
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The Cone Fly Trap: Up to the Light, Down Into the Water

The Cone Fly Trap: Up to the Light, Down Into the Water

eftir BobBE

Skordýrafræði

32
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The Phenology Record: Writing Down When Things Happen

The Phenology Record: Writing Down When Things Happen

eftir BobBE

Vistfræði

42
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Building a Dichotomous Key

Building a Dichotomous Key

eftir PauliceUS

Grasafræði

42
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Measuring a Tree Without Felling It

Measuring a Tree Without Felling It

eftir KarenSE

Grasafræði

35
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Sampling Invertebrates: Pitfall Traps and the Beating Tray

Sampling Invertebrates: Pitfall Traps and the Beating Tray

eftir BobBE

Skordýrafræði

49
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Sýni 24 af 128