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Sea
27 blueprints available
Blueprints (27)
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
ni Astro
Metalworking
13
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
ni Astro
Middle Ages
19
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
ni Astro
Middle Ages
8
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
ni Astro
Vikings
14
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
ni Astro
Vikings
13
0
0
0
1
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
ni Astro
Sea
19
0
0
0
5
0
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky
ni Astro
Archaeoastronomy
14
0
0
0
6
0
Extracting Salt from Seawater by Boiling — Prehistoric Salt Production
ni TheChef
Sea
24
0
0
0
1
0
Building a Prehistoric Coracle — A One-Person Bowl Boat from Woven Branches and Animal Hide
ni Woody
Boat Building
21
0
0
0
0
0
Hazardous content
Extracting Tyrian Purple from Murex Snails — The Most Precious Colour of Antiquity
ni Charlie
Chemistry
23
0
0
0
2
0
Making Sepia Ink from Cuttlefish — The Natural Brown Ink of Mediterranean Artists
ni Charlie
Pigment Color
25
0
0
0
0
0
Tyrian Purple from Murex — The Most Precious Dye in Human History
ni Tex
Sea
22
0
0
0
2
0
Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum
ni Bob
Biology
15
0
0
0
0
0
Extracting Omega-3 Fish Oil from Fatty Fish — The Marine Fatty Acids That Built the Brain
ni Bob
Marine
20
0
0
0
2
0
Producing Cod Liver Oil from Atlantic Cod — Norway's Liquid Gold
ni Bob
Biology
23
0
0
0
2
0
Hazardous content
Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal
ni Peter
Sea
19
0
0
0
0
0
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
ni Peter
Chemistry
18
0
0
0
1
0
Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White
ni Peter
Ancient
41
0
0
0
0
0
Pagkuha ng Capiz Shell — Mula Dagat Hanggang Palamuti
ni KuyaKlavo
Sustainability
34
0
0
0
0
0
Récolte du sel de Guérande — Le savoir-faire du paludier breton
ni MrBaguette
Food & Agriculture
3
0
0
0
0
0