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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-Test Manufacturer Smithsonian Institution
 Physical Description One half of a broken, circular, wooden piece with a hole in the center. This one piece has two holes, suggesting it was held in place to another object when used. A close examination of the reverse side suggests the object was pried off by some tool causing it to break in two. The other half has been identified as A19821605000 and reassoicated within the same storage box. Stored with A19821605000 Dimensions 3-D: 17.5 x 14 x 2.2cm (6 7/8 x 5 1/2 x 7/8 in.)
Storage: 21.59 x 21.59 x 4.13cm (8 1/2in. x 8 1/2in. x 1 5/8in.)
 Materials Unidentified wood
 Inventory Number A19820882000 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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