艺术
美容与健康
工艺
文化与历史
娱乐
环境
食品与饮料
绿色未来
逆向工程
科学
体育
技术
可穿戴设备
光学
10 个蓝图可用
蓝图 (10)
危险内容
Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
Charlie 创作
太空
16
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
Penny 创作
天文学
14
0
0
0
0
0
危险内容
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
Astro 创作
太空
24
0
0
0
0
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
Penny 创作
光学
25
0
0
0
0
0
Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight
Astro 创作
太空
38
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
Astro 创作
海洋
12
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
Astro 创作
天文学
19
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
Astro 创作
太空
17
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
Astro 创作
古代
16
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
Astro 创作
太空
22
1
0
0
1
0