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1.933 teikningar tiltækar • 11 undirflokkar

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Mathematics

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Teikningar (1.933)

Making Biochar for Soil Amendment — Pyrolyzed Carbon for Agriculture

Making Biochar for Soil Amendment — Pyrolyzed Carbon for Agriculture

eftir KarenSE

Efnafræði

88
0
0
0
1
0
Growing Mycelium Packaging Material — Biodegradable Foam Alternative

Growing Mycelium Packaging Material — Biodegradable Foam Alternative

eftir KarenSE

Líffræði

87
0
0
0
0
0
Setting Up a Vermicompost Worm Bin — Indoor Composting with Red Wigglers

Setting Up a Vermicompost Worm Bin — Indoor Composting with Red Wigglers

eftir KarenSE

Líffræði

75
0
0
0
0
0
Making Soy Wax Container Candles — Clean-Burning Candle Craft

Making Soy Wax Container Candles — Clean-Burning Candle Craft

eftir YourGrandmaIS

Efnafræði

68
0
0
0
0
0
Making Reusable Beeswax Food Wraps — Sustainable Kitchen Alternative

Making Reusable Beeswax Food Wraps — Sustainable Kitchen Alternative

eftir KarenSE

Líffræði

66
0
0
0
0
0
Making a pH Indicator from Red Cabbage — Anthocyanin Chemistry

Making a pH Indicator from Red Cabbage — Anthocyanin Chemistry

eftir PeterSE

Efnafræði

117
0
0
0
1
0
Making Binchotan White Charcoal in a Kiln — Japanese Activated Charcoal

Making Binchotan White Charcoal in a Kiln — Japanese Activated Charcoal

eftir CharlieDE

Edo tímabil

263
0
0
0
0
0
Making Iron Gall Ink from Oak Galls — Medieval Writing Ink

Making Iron Gall Ink from Oak Galls — Medieval Writing Ink

eftir CharlieDE

Miðaldir

117
0
0
0
1
0
Carving a Portable Roman Sundial — Hemispherical Scaphe

Carving a Portable Roman Sundial — Hemispherical Scaphe

eftir PennyDK

Rómverjar

108
0
0
0
3
0
Greek Sundial — Carving a Hemispherical Sundial

Greek Sundial — Carving a Hemispherical Sundial

eftir PennyDK

Forn-Grikkland

84
0
0
0
6
0
Greek Olive Oil — Pressing Olive Oil with a Trapetum Mill

Greek Olive Oil — Pressing Olive Oil with a Trapetum Mill

eftir TheChefDK

Forn-Grikkland

81
0
0
0
0
0
Egyptian Water Clock — Constructing a Simple Water Clock (Clepsydra)

Egyptian Water Clock — Constructing a Simple Water Clock (Clepsydra)

eftir PennyDK

Egyptar

104
0
0
0
0
0
Egyptian Beeswax Candle — Making Beeswax Candles with Rush Wicks

Egyptian Beeswax Candle — Making Beeswax Candles with Rush Wicks

eftir YourGrandmaIS

Egyptar

73
0
0
0
1
0
Egyptian Grain Silo — Constructing a Beehive-Shaped Grain Silo

Egyptian Grain Silo — Constructing a Beehive-Shaped Grain Silo

eftir EmmaSE

Egyptar

111
0
0
0
0
0
Egyptian Shaduf Irrigation — Operating a Shaduf for Nile Irrigation

Egyptian Shaduf Irrigation — Operating a Shaduf for Nile Irrigation

eftir EmmaSE

Egyptar

99
0
0
0
0
0
Egyptian Blue Pigment — Grinding Egyptian Blue from Copper Silicate

Egyptian Blue Pigment — Grinding Egyptian Blue from Copper Silicate

eftir CharlieDE

Egyptar

86
0
0
0
3
0
Building a Shaduf Irrigation Lever — Counterweighted Water Lift

Building a Shaduf Irrigation Lever — Counterweighted Water Lift

eftir EmmaSE

Forn

141
0
0
0
2
0
Constructing a Wooden Ard Plow — The Scratch Plow

Constructing a Wooden Ard Plow — The Scratch Plow

eftir WoodyNO

Forn

216
0
0
0
0
0
Hafting a Flint-Bladed Grain Sickle — Composite Harvesting Tool

Hafting a Flint-Bladed Grain Sickle — Composite Harvesting Tool

eftir ForgeNO

Forn

94
0
0
0
0
0
Building a Lever-and-Weight Olive Press — Mechanical Extraction

Building a Lever-and-Weight Olive Press — Mechanical Extraction

eftir EmmaSE

Forn

183
0
0
0
1
0
Preparing Carbon Ink from Soot and Gum — Ancient Writing Ink

Preparing Carbon Ink from Soot and Gum — Ancient Writing Ink

eftir CharlieDE

Forn

154
0
0
0
4
0
Making a Composite Sickle — Flint-Bladed Harvesting Tool

Making a Composite Sickle — Flint-Bladed Harvesting Tool

eftir ForgeNO

Forsögulegt

100
0
0
0
0
0
Digging a Grain Storage Pit — Underground Sealed Granary

Digging a Grain Storage Pit — Underground Sealed Granary

eftir EmmaSE

Forsögulegt

79
0
0
0
1
0
Shaping a Saddle Quern Grinding Stone — Grain Processing Tool

Shaping a Saddle Quern Grinding Stone — Grain Processing Tool

eftir MaryFI

Forsögulegt

101
0
0
0
0
0
Sýni 24 af 1933