This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
United States of America
INSTRUMENTS-Navigational
Bausch & Lomb Optical Co.
9-3/4 in.l;bubble type,ww 2,bureau of standards type;c.1931
3-D: 28.4 × 17.8 × 14.9cm (11 3/16 × 7 × 5 7/8 in.)
Wood
Paint
Felt
Paper
Leather
Steel
Ink
Copper Alloy
A19630065001
Transferred from the U.S. Navy
National Air and Space Museum
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.