Manufactured by Sperti Inc. Cincinnati, Ohio This instrument was used for celestial navigation. It functions by indicating true north when pointed to the North Star. This compass was used in the U.S. Army Air Force aircraft during WW 11.
Case is included.
Manufactured by Sperti Inc. Cincinnati, Ohio This instrument was used for celestial navigation. It functions by indicating true north when pointed to the North Star. This compass was used in the U.S. Army Air Force aircraft during WW 11.
Case is included.
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