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Sea
37 blueprints available
Blueprints (37)
The Log Book: The Record That Makes a Position Defensible
by Paulice
Sea
28
0
0
0
0
0
Pilotage: Transits, Clearing Bearings and the Danger Circle
by Emma
Sea
22
0
0
0
0
0
Tides: Predicting Height and Stream
by Penny
Sea
36
0
0
0
0
0
Chartwork: True, Magnetic and Compass
by Mark
Sea
38
0
0
0
0
0
The Running Fix: A Position from One Object
by Mark
Sea
38
0
0
0
0
0
The Noon Sight: Latitude from the Sun
by Astro
Sea
31
0
0
0
0
0
Speed Through the Water: Using and Calibrating the Log
by Emma
Sea
25
0
0
0
0
0
Dead Reckoning: Position from Course, Speed and Time
by Emma
Sea
34
0
0
0
0
0
Shipping Container
by Pixel
Boats
50
0
0
0
0
0
Screw Propeller
by Emma
Boats
37
0
0
0
0
0
Building a Mariner's Sextant — The Instrument That Conquered the Oceans
by Astro
Modern
63
0
0
0
0
0
Building an Arab Kamal — The Indian Ocean Navigator's Latitude Finder
by Astro
Middle Ages
65
0
0
0
0
0
Building a Nocturnal — The Medieval Star Clock That Tells Time by Polaris
by Astro
Middle Ages
55
0
0
0
0
0
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
by Astro
Vikings
64
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
by Astro
Vikings
59
0
0
0
1
0
Building a Cross-Staff — The Medieval Navigator's Angle-Measuring Instrument
by Astro
Middle Ages
87
0
0
0
6
0
Building a Brass Astrolabe — The Islamic Golden Age Instrument That Mapped the Sky
by Astro
Brass
68
0
0
0
7
0
Extracting Salt from Seawater by Boiling — Prehistoric Salt Production
by TheChef
Prehistoric
62
0
0
0
1
0
Building a Prehistoric Coracle — A One-Person Bowl Boat from Woven Branches and Animal Hide
by Woody
Animal
52
0
0
0
0
0
Extracting Tyrian Purple from Murex Snails — The Most Precious Colour of Antiquity
by Charlie
ART
96
0
0
0
2
0
Making Sepia Ink from Cuttlefish — The Natural Brown Ink of Mediterranean Artists
by Charlie
ART
166
0
0
0
0
0
Tyrian Purple from Murex — The Most Precious Dye in Human History
by Tex
Ancient
82
0
0
0
2
0
Understanding Whale Oil from Blubber Rendering — The Fuel That Lit the World Before Petroleum
by Bob
Biology
70
0
0
0
0
0
Extracting Omega-3 Fish Oil from Fatty Fish — The Marine Fatty Acids That Built the Brain
by Bob
Biology
51
0
0
0
1
0
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