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Middle Ages
133 blueprints available
Blueprints (133)
Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
ni Astro
Middle Ages
27
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Zero and Place-Value — Build an Abacus and Count Like the World Does
ni Mark
Middle Ages
25
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0
0
0
0
Al-Khwarizmi's Algebra — Complete the Square with Paper Tiles
ni Mark
Middle Ages
17
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0
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Fibonacci Numbers — Count the Spirals on a Pinecone
ni Mark
Middle Ages
17
0
0
0
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0
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
ni Astro
Middle Ages
25
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0
0
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Tablet Weaving a Patterned Band — Card Weaving the Trim of the Viking World
ni Tex
Middle Ages
24
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Nalbinding a Wool Sock in the Oslo Stitch — The Looped Fabric Before Knitting
ni Tex
Middle Ages
27
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Binding a Besom Broom — The Birch-Twig Broom on a Hazel Handle
ni YourGrandma
Middle Ages
23
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0
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Carving a Wooden Clog — The All-Wood Sabot from a Single Green Block
ni Woody
Middle Ages
32
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Making a Horn Spoon — Shaping Cattle Horn with Heat and Pressure
ni Woody
Middle Ages
13
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0
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Making a Coiled-Straw Bee Skep — The Traditional Beehive Before Wooden Boxes
ni Karen
Middle Ages
31
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0
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1
0
Building a Persian Windmill — The First Machine Powered by Wind
ni Emma
Ancient
42
0
0
0
0
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Building a Sand Hourglass — The Medieval Timekeeper That Worked at Sea
ni Mary
Middle Ages
31
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Greek Fire — The Byzantine Superweapon Whose Secret Died with an Empire
ni Charlie
Middle Ages
40
1
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Building a Counterweight Trebuchet — The Medieval Siege Engine That Toppled Castles
ni Emma
Middle Ages
47
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1
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Building a Great Wheel for Spinning — The Machine That Clothed the Medieval World
ni Tex
Middle Ages
42
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0
0
0
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Setting Clay Movable Type — Bi Sheng's Printing Revolution
ni Charlie
Middle Ages
33
0
0
0
1
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Building a Copper Alembic Still — Islamic Golden Age Distillation
ni Charlie
Middle Ages
15
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0
0
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Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
ni Astro
Middle Ages
34
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0
0
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0
Building a Celestial Globe — Mapping the Stars on a Sphere
ni Astro
Middle Ages
23
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0
0
0
0