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 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
Country of Origin United States of America Type INSTRUMENTS-Navigational Physical Description 80mm diameter, 90mm high; fluid filled; probably forerunner of Navy MK1 ns. Dimensions 3-D (Overall, With Lid): 13 × 16.2 × 12.1cm (5 1/8 × 6 3/8 × 4 3/4 in.)
3-D (Instrument, with Mounting Bracket): 10.2 × 12.4 × 8.9cm (4 × 4 7/8 × 3 1/2 in.)
 Materials Copper Alloy
Wood
Glass (Possible Lamination or Coating)
Unknown Liquid
Radium Paint
Unknown Coating
Organic Fiber Fabric
Varnish
Ink
Ferrous Alloy
Adhesive
 Inventory Number A19570221000 Credit Line Transferred from the Department of Commerce Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.