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.
All property is sold “AS IS”. We have exercised reasonable care to catalogue and describe correctly the property to be sold. We do not warrant authenticity of authorship, signatures, historical relevance, correctness of description, genuineness, provenance, age or condition of said property. It is the bidders responsibility to inspect the property to determine its condition and authenticity. No statement made at the Sale, or by any other method, shall be deemed an assumption of liability or warranty with respect to the above. We and the Consignors are not responsible for errors and omissions in the catalog.