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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 A flat, circular base is present with a slightly elevated outer ring. A smaller, flattened area gives way to a center piece, or rounded knob; this is 1.075" high and 1.5" wide. The bottom base area on opposite side has a small hole in center, indicating the object "may" have been attached to another object for support. Stored with A19820932000 and A19820935000 Dimensions 3-D: 5.7 x 9.5cm (2 1/4 x 3 3/4 in.)
Storage: 27.62 x 27.31 x 10.8cm (10 7/8in. x 10 3/4in. x 4 1/4in.)
 Materials Wood
Iron Alloy
Varnish
 Inventory Number A19820909000 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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