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1,121 blueprints available • 17 subcategories
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Blueprints (1,121)

Chamomile Tea as Medicine — The Ancient Flower Infusion for Calm and Digestion
by Bob
Herbs & Spices
30
0
0
0
5
0

Making a Silver Mirror by the Liebig Process — Depositing Metallic Silver on Glass
by Charlie
Physics
28
0
0
0
0
0

Cutting and Polishing a Glass Prism — The Instrument That Splits White Light into Colours
by Penny
Optics
21
0
0
0
0
0

Grinding a Glass Lens for a Telescope — Shaping Light with Abrasive and Patience
by Penny
Astronomy
36
0
0
0
1
0

Hazardous
Making Tin-Lead Solder — The Ancient Alloy That Joins Metals Without a Forge
by Peter
Metal
26
0
0
0
0
0

Building a Foucault Pendulum — Proving Earth Rotates with a Swinging Weight
by Astro
Astronomy
53
0
0
0
0
0

Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Modern
23
0
0
0
0
0

Building a Universal Ring Dial — The Portable Brass Instrument That Tells Time by the Sun
by Astro
Astronomy
33
0
0
0
0
0

Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
by Astro
Sea
26
0
0
0
0
0

Building a Merkhet — The Egyptian Star Transit Instrument for Finding True North
by Astro
Astronomy
30
0
0
0
0
0

Building a Camera Obscura — Projecting the Sun and Eclipses Safely
by Astro
Astronomy
29
0
0
0
0
0

Building a Simple Spectroscope — Splitting Starlight into Its Rainbow of Elements
by Astro
Ancient
21
0
0
0
0
0

Building a Newtonian Reflecting Telescope — Mirrors Instead of Lenses
by Astro
Woodworking
31
1
0
0
2
0

Building a Celestial Globe — Mapping the Stars on a Sphere
by Astro
Space
20
0
0
0
0
0

Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
by Astro
Middle Ages
11
0
0
0
0
0

Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
by Astro
Archaeoastronomy
26
0
0
0
1
0

Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
by Astro
Sea
24
0
0
0
1
0

Building a Mural Quadrant — The Wall-Mounted Instrument for Precise Star Positions
by Astro
Space
37
0
0
0
1
0

Building a Galilean Telescope — The Instrument That Changed Our View of the Universe
by Astro
Space
21
0
0
0
4
0

Building a Copernican Orrery — A Mechanical Model of the Heliocentric Solar System
by Astro
Astronomy
20
0
0
0
3
0