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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 This object is very similar to A19820946000. The difference is that, although it's a solid block, it has two tiers. The 0.5" top is shaped so that there is a smalled ringed area between it and the edge of the bottom half. If the object is turned so the bottom is revealed, two holes appear and some writing which says: "No. 2." Dimensions 3-D: 11.1 x 11.1cm (4 3/8 x 4 3/8 in.)
Storage: 21.59 x 21.59 x 13.34cm (8 1/2in. x 8 1/2in. x 5 1/4in.)
 Materials Wood
Coating
 Inventory Number A19820949000 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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