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Sea
29 blueprints available
Blueprints (29)

Shipping Container
by Pixel
Boats
26
0
0
0
0
0

Screw Propeller
by Emma
Boats
25
0
0
0
0
0

Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Modern
28
0
0
0
0
0

Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
by Astro
Middle Ages
36
0
0
0
0
0

Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
by Astro
Middle Ages
20
0
0
0
0
0

Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
by Astro
Vikings
38
0
0
0
1
0

Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
by Astro
Vikings
31
0
0
0
1
0

Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
by Astro
Middle Ages
37
0
0
0
6
0

Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky
by Astro
Brass
29
0
0
0
7
0

Extracting Salt from Seawater by Boiling — Prehistoric Salt Production
by TheChef
Prehistoric
40
0
0
0
1
0

Building a Prehistoric Coracle — A One-Person Bowl Boat from Woven Branches and Animal Hide
by Woody
Animal
34
0
0
0
0
0

Extracting Tyrian Purple from Murex Snails — The Most Precious Colour of Antiquity
by Charlie
ART
41
0
0
0
2
0

Making Sepia Ink from Cuttlefish — The Natural Brown Ink of Mediterranean Artists
by Charlie
ART
110
0
0
0
0
0

Tyrian Purple from Murex — The Most Precious Dye in Human History
by Tex
Ancient
43
0
0
0
2
0

Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum
by Bob
Biology
29
0
0
0
0
0

Extracting Omega-3 Fish Oil from Fatty Fish — The Marine Fatty Acids That Built the Brain
by Bob
Biology
25
0
0
0
2
0

Producing Cod Liver Oil from Atlantic Cod — Norway's Liquid Gold
by Bob
Biology
31
0
0
0
2
0

Understanding Bromine from Seawater Brine — The Only Liquid Non-Metal
by Peter
Chemistry
41
0
0
0
0
0

Hazardous
Extracting Iodine from Seaweed Ash — The Violet Vapor That Prevents Goiter
by Peter
Chemistry
27
0
0
0
1
0

Recovering Magnesium Salts from Seawater — The Lightweight Metal That Burns White
by Peter
Chemistry
62
0
0
0
0
0