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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.
Object Details
Date 1887-1903 Country of Origin United States of America Type EQUIPMENT-Tools Manufacturer Smithsonian Institution
 Physical Description Flat, circular object with a small hole in the center. The top side is smoother and appears more glossy and polished than the bottom, which is rough in texture, lighter in color and scored by various marks. Dimensions 3-D: 2.7 x 11.4cm (1 1/16 x 4 1/2 in.)
Storage: 19.05 x 19.05 x 4.45cm (7 1/2in. x 7 1/2in. x 1 3/4in.)
 Materials Wood
Iron Alloy
Varnish
 Inventory Number A19820915000 Credit Line Transferred from the Smithsonian Institution to the United States National Museum. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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