This object is on display in the Time and Navigation exhibition at the National Mall building.
Gift of Maureen O'Hara Blair
W. W. Boes Co.
Country of Origin: United States of America
Dimensions: Approximate: 10.8 x 21cm (4 1/4 x 8 1/4 in.)
Materials: Aluminum, Radium 226
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
Inventory number: A19530088001