Title: Viking navigation /
Authors: Thirslund, Søren, 1919-
Publisher: The Viking Ship Museum,
Year: 2007
Subjects: Viking ships Equipment and supplies.; Navigation North Atlantic Ocean.; Iceland spar Optical properties.; Navigation Equipment and supplies History.; Solar compass.; Navigation North Atlantic Ocean History
Contents: How to make a sun compass -- Captain Carl V. Sølver's theory of the bearing-dial -- Dr. Curt Roslund's theory of the bearing-dial -- The investigations of the Danish Forensic Police -- Further investigations and experiments -- Position finding at sea.