Battenberg's Course Indicator

Description
This mechanical device, designed to solve a problems involving the relative velocities of two ships at sea, was invented in 1902 by Louis Battenberg in England. The inscriptions read "Battenberg’s Course Indicator U.S. Navy Mark II" and "F.A./J.Q.M. 1924." This example was made for the U.S. Navy.
Born in the Prussian province of Hesse-Nassau, Louis Battenberg (1854-1921) became a British citizen in 1868 and a cadet in the Royal Navy. He rose quickly through the ranks, becoming eventually Commander-in-Chief of the Atlantic Fleet, Admiral, and then First Sea Lord. He changed his name to Mountbatten in 1917 and relinquished his German title in favor of a British one.
Ref: Gloria Clifton and Peter Ifland, "A Slice of History: The Battenberg Course Indicator," Navigation News (December 2000): 14-15.
F. S. Miller and A. F. Everett, Instructions for the Use of Martin’s Mooring Board and Battenberg’s Course Indicator (Published by Authority of the Lords Commissioners of the Admiralty, 1903).
Location
Currently not on view
Object Name
course indicator
maker
Battenberg, Louis
Physical Description
brass (overall material)
aluminum (overall material)
Measurements
overall: 13 in; 33.02 cm
ID Number
1991.0446.02
catalog number
1991.0446.02
accession number
1991.0446
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Data Source
National Museum of American History, Kenneth E. Behring Center

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