This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date
1887-1903
Country of Origin
United States of America
Type
EQUIPMENT-Test
Manufacturer
Smithsonian Institution
Physical Description
A stamp casting object, presumably for metal, has two knob and rounded peg-like objects on its side for making impressions. The bottom has black paint and a small hole.