Materials: Metal with glass face cover.
Dimensions: 3-D: 8.3 x 7cm, 0.5kg (3 1/4 x 2 3/4 in., 1lb.)
Dimensions: Other (Face): 8.9cm (3 1/2 in.)
See more items in: National Air and Space Museum Collection
Credit Line: Found in collection. Donor unknown at this time. Found on NASM premises.
Country of Origin: United States of America
Restrictions & Rights: Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum