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Prism sextant made by Stackpole & Brother, New York (and case)
prism sextant and case
INSTRUMENTS - SEXTANTSStackpole & Brother
USA, NY, New York
case 13 x10 x H. 5 in.
Boxed prism sextant, Serial No. 662, made by Stackpole & Brother, New York. Instead of a half silvered mirror, it uses a prism for beam splitting. Instrument is made largely of brass. Graduation runs 0° -180° – 110°.
1965.756