Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer 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 A rounded, saucer-shaped object with an elevated rim which dips down to a 6.125" wide flattened area. The center piece is a circular area, elevated with rim. The very center of THIS area shows a small circular area with a hole. The reverse side is flat with three holes. Center hole goes through object. Dimensions 3-D (Overall): 3.2 × 18.7cm (1 1/4 × 7 3/8 in.)
 Materials Wood
Varnish
 Inventory Number A19820976000 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
For more information, visit the Smithsonians Terms of Use.