CCO - Creative Commons (CC0 1.0) This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. 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 CCO - Creative Commons (CC0 1.0) This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. 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 Manufacturer W. W. Boes Co.
 Physical Description Aluminum with black enamel finish. Approx. 4" dia. x 12" high. Used in polar navigation. Nameplate on the base reads "ASTRO-COMPASS MK II / The W.W. BOES CO. / DAYTON, OHOIO, USA Dimensions 3-D: 11 × 14 × 22cm (4 5/16 × 5 1/2 × 8 11/16 in.)
 Materials Aluminum, Radium 226
 Inventory Number A19530088001 Credit Line Gift of Maureen O'Hara Blair Data Source National Air and Space Museum Restrictions & Rights Open Access (CCO)
For more information, visit the Smithsonians Terms of Use. You may also like Charles Blair: Civilian Adventurer Turned Cold War Navigator July 19, 2016