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Sea
27 blueprints available
Blueprints (27)
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Modern
13
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
by Astro
Archaeoastronomy
19
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
by Astro
Archaeoastronomy
8
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
by Astro
Sea
14
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
by Astro
Sea
12
0
0
0
1
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
by Astro
Woodworking
18
0
0
0
5
0
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky
by Astro
Astronomy
14
0
0
0
6
0
Extracting Salt from Seawater by Boiling — Prehistoric Salt Production
by TheChef
Sea
24
0
0
0
1
0
Building a Prehistoric Coracle — A One-Person Bowl Boat from Woven Branches and Animal Hide
by Woody
Prehistoric
21
0
0
0
0
0
Hazardous content
Extracting Tyrian Purple from Murex Snails — The Most Precious Colour of Antiquity
by Charlie
Pigment Color
23
0
0
0
2
0
Making Sepia Ink from Cuttlefish — The Natural Brown Ink of Mediterranean Artists
by Charlie
Ancient
25
0
0
0
0
0
Tyrian Purple from Murex — The Most Precious Dye in Human History
by Tex
Colouring & Dyeing
22
0
0
0
2
0
Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum
by Bob
Sea
14
0
0
0
0
0
Extracting Omega-3 Fish Oil from Fatty Fish — The Marine Fatty Acids That Built the Brain
by Bob
Biology
20
0
0
0
2
0
Producing Cod Liver Oil from Atlantic Cod — Norway's Liquid Gold
by Bob
Ichthyology
23
0
0
0
2
0
Hazardous content
Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal
by Peter
Chemistry
19
0
0
0
0
0
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
by Peter
Chemistry
18
0
0
0
1
0
Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White
by Peter
Sea
40
0
0
0
0
0
Harvesting Capiz Shell — From Sea to Ornament
by KuyaKlavo
Botany
34
0
0
0
0
0
Guérande Salt Harvesting — The Expertise of the Breton Salt Farmer
by MrBaguette
Food
3
0
0
0
0
0