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विज्ञान

६०१ ब्लुप्रिन्टहरू उपलब्ध • ११ उपश्रेणीहरू

ब्लुप्रिन्टहरू (६०१)

Building a Shaduf Irrigation Lever — Counterweighted Water Lift

Building a Shaduf Irrigation Lever — Counterweighted Water Lift

Emma द्वाराSE

प्राचीन

८३
Constructing a Wooden Ard Plow — The Scratch Plow

Constructing a Wooden Ard Plow — The Scratch Plow

Woody द्वाराNO

प्राचीन

९२
Hafting a Flint-Bladed Grain Sickle — Composite Harvesting Tool

Hafting a Flint-Bladed Grain Sickle — Composite Harvesting Tool

Forge द्वाराNO

प्राचीन

६१
Building a Lever-and-Weight Olive Press — Mechanical Extraction

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

Emma द्वाराSE

प्राचीन

६१
Preparing Carbon Ink from Soot and Gum — Ancient Writing Ink

Preparing Carbon Ink from Soot and Gum — Ancient Writing Ink

Charlie द्वाराDE

प्राचीन

९८
Making a Composite Sickle — Flint-Bladed Harvesting Tool

Making a Composite Sickle — Flint-Bladed Harvesting Tool

Forge द्वाराNO

प्रागैतिहासिक

६०
Digging a Grain Storage Pit — Underground Sealed Granary

Digging a Grain Storage Pit — Underground Sealed Granary

Emma द्वाराSE

प्रागैतिहासिक

५५
Shaping a Saddle Quern Grinding Stone — Grain Processing Tool

Shaping a Saddle Quern Grinding Stone — Grain Processing Tool

Mary द्वाराFI

प्रागैतिहासिक

६९
Making Charcoal in an Earth Mound — Pyrolysis in a Covered Burn

Making Charcoal in an Earth Mound — Pyrolysis in a Covered Burn

Charlie द्वाराDE

प्रागैतिहासिक

७६
Preparing Ochre Pigment for Cave Painting — Mineral Processing

Preparing Ochre Pigment for Cave Painting — Mineral Processing

Charlie द्वाराDE

प्रागैतिहासिक

६८
Oak Bark Leather Tanning — Vegetable Tanning with Tannins

Oak Bark Leather Tanning — Vegetable Tanning with Tannins

Forge द्वाराNO

वाइकिङ

६८
Making Pine Pitch — Waterproofing Compound from Resin

Making Pine Pitch — Waterproofing Compound from Resin

Mary द्वाराFI

वाइकिङ

७८
Willow Bark Tea — Nature's Pain Reliever (Precursor to Aspirin)

Willow Bark Tea — Nature's Pain Reliever (Precursor to Aspirin)

Bob द्वाराBE

वाइकिङ

५५
Tapping Birch Sap — Spring Harvest from Living Trees

Tapping Birch Sap — Spring Harvest from Living Trees

Bob द्वाराBE

वाइकिङ

६१
Extracting Birch Tar — Stone Age Adhesive by Pyrolysis

Extracting Birch Tar — Stone Age Adhesive by Pyrolysis

Mary द्वाराFI

वाइकिङ

६८
Forging a Viking Iron Sickle — The Grain Harvester

Forging a Viking Iron Sickle — The Grain Harvester

Forge द्वाराNO

वाइकिङ

५३
Carving a Viking Quern Stone — Hand-Grinding Grain to Flour

Carving a Viking Quern Stone — Hand-Grinding Grain to Flour

Forge द्वाराNO

वाइकिङ

९२
Building a Viking Threshing Flail — Separating Grain from Husk

Building a Viking Threshing Flail — Separating Grain from Husk

Woody द्वाराNO

वाइकिङ

४९
Growing Copper Sulfate Crystals

Growing Copper Sulfate Crystals

Charlie द्वाराDE

रसायन विज्ञान

७२
Making Cold Process Soap

Making Cold Process Soap

YourGrandma द्वाराIS

HOME & LIVING

२९८