Learning Lab Collection
Overall metal case; glass face and control knob.
National Air and Space Museum
Manufacturer: Waltham Watch Company
Inventory Number: A20010573000
Materials: Non-Magnetic White Metal
Materials: Radium Paint
Materials: Copper Alloy
Dimensions: 3-D (Overall): 9.5 × 7 × 3.2cm (3 3/4 × 2 3/4 × 1 1/4 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: Usage conditions apply
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