艺术
美容与健康
工艺
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娱乐
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食品与饮料
逆向工程
科学
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技术
可穿戴设备
光学
26 个蓝图可用
蓝图 (26)
Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight
Astro 创作
现代
66
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
Astro 创作
现代
23
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
Astro 创作
黄铜
41
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
Astro 创作
古代
766
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
Astro 创作
天文学
24
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
Astro 创作
Renaissance (1400–1600)
36
1
0
0
2
0