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Lot 31: Bumstead Sun Compass – Albert Hoit Bumstead (1875-1940), Inventor of three sun compasses used by Admiral Richard E. Byrd on polar expeditions

$4,750.00

Pioneer Instrument Company, Brooklyn, NY, c. 1929-1938, Albert Hoit Bumstead (1875-1940), American cartographer and inventor of three sun compasses used by Admiral Richard E. Byrd on polar expeditions, Byrd named a mountain in Antarctica Mount Bumstead, the sun compass was a mounted watch above the face of a standard compass, the watch had a single hand which completed a rotation every 24 hours, a regular compass would not work in the arctic, original glass dome, mounted on 6 1/2″ dia metal plate, 4 3/4″ h.

Estimate: $2,000-3,000

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Out of stock