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Astronomy
33 blueprints available • 17 subcategories
Browse Subcategories
Blueprints (33)
Impact Craters
Astro විසින්
Planetary
0
0
0
0
0
0
The Theodolite
Astro විසින්
Astrometry
1
0
0
0
1
0
The Marine Chronometer
Astro විසින්
Astronomy
5
0
0
0
1
0
Foucault Knife-Edge Test
Astro විසින්
SCIENCES
23
0
0
0
0
0
Aryabhata's Spinning Earth — A Torch, a Ball, and Day and Night
Astro විසින්
Middle Ages
27
0
0
0
0
0
Kepler's Laws — Draw a Planet's Ellipse with Two Pins and a String
Astro විසින්
Scientific Revolution (1600–1760)
27
0
0
0
0
0
Measuring the Earth from a Single Mountain — Al-Biruni's Horizon-Dip Method
Astro විසින්
Middle Ages
25
0
0
0
0
0
Measuring How Far the Sun Is Compared to the Moon — Aristarchus' Half-Moon Method
Astro විසින්
Ancient
23
0
0
0
0
0
Measuring the Circumference of the Earth — Eratosthenes' Shadow Method
Astro විසින්
Ancient
20
0
0
0
0
0
Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
Penny විසින්
Optics
25
0
0
0
0
0
Casting and Grinding a Speculum Metal Telescope Mirror — Newton's Reflecting Alloy
Astro විසින්
Metal
36
0
0
0
1
0
Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
Penny විසින්
Optics
38
0
0
0
1
0
Foucault දෝලනය සාදන්න — පෘථිවි භ්රමණය ඔප්පු කරන්න
Astro විසින්
Modern
63
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
Astro විසින්
Modern
23
0
0
0
0
0
Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
Astro විසින්
Brass
41
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
Astro විසින්
Middle Ages
34
0
0
0
0
0
Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
Astro විසින්
Egyptians
43
0
0
0
0
0
Building a Camera Obscura — Projecting the Sun and Eclipses Safely
Astro විසින්
Ancient
291
0
0
0
0
0
Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
Astro විසින්
Astronomy
24
0
0
0
0
0
Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
Astro විසින්
Renaissance (1400–1600)
36
1
0
0
2
0