Sextant, Bubble, Prototype, National Bureau of Standards for USN, Model 2, S/N#5
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This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Country of Origin
United States of America
United States Bureau of Standards, Bureau of Aeronautics
Irregular shape w/electric lead; bubble type; fitted case w/accessories.
3-D (Overall): 20.3 × 15.6 × 12.7cm (8 in. × 6 1/8 in. × 5 in.) Materials
Non-Magnetic White Metal
Possible Radium Paint
Organic Fiber Thread
Rubber Inventory Number
Transferred from the U.S. Navy
National Air and Space Museum
Restrictions & Rights
Usage conditions apply