Display Status

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 Circular wooden piece with a top-fitting brass plate or washer with a center hole. There are various holes. Two are small and shallow and located on the side. But there are four cut into the top and sides which intersect in the middle. The plate is held in place by screws. Dimensions 3-D: 3.8 x 5.4cm (1 1/2 x 2 1/8 in.)
Storage: 16.2 x 15.2 x 5.7cm (6 3/8 x 6 x 2 1/4 in.)
 Materials Wood
Iron Alloy
Copper Alloy
 Inventory Number A19820831000 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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