艺术
美容与健康
工艺
文化与历史
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逆向工程
科学
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社交链接
蓝图库
Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work
Dwalin 创作
General
41
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Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity
Gloin 创作
General
29
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0
0
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Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies
Bombur 创作
General
31
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Making Blister Steel by Cementation — Carburizing Wrought Iron into Steel
Balin 创作
General
45
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危险
Making Coke from Coal — The Smokeless Fuel That Forged the Industrial Revolution
Gimli 创作
General
41
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Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure
Balin 创作
General
32
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Building a Screw-Cutting Lathe — The Machine That Makes Other Machines
Gimli 创作
General
31
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