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Naval History and Heritage Command

NH 44121 Radio compass (radio direction finder)

Radio compass (radio direction finder)
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Title: Radio compass (radio direction finder)
Caption: Coil in wings of a seaplane, circa 1919. This type of equipment was used in the NC-4. "The standard equipment designed consists essentially of a coil system fixed in the wings of planes as illustrated, or of an independently revolving type, a control panel involving a reversing switch and tubing condensers, and the amplifier. The form of coil fixed in the wings of the planes has not been widely used in the naval air service itself, but has been employed in the development of radio-compass equipment for airplane use by the Post Office Department," from p. 23 of "History of the Bureau of Engineering," Navy Department during the World War, GPO 1922.
Description:
Catalog #: NH 44121
Copyright Owner: Naval History and Heritage Command
Original Creator:
After this Year: 1910
Before this Year: 1919
Original Medium: BW Photo
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