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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
Country of Origin United States of America Type EQUIPMENT-Mission Support Physical Description Black metal navigation tool with two protractor arms and ruler Dimensions 3-D: 59.4 x 23.5 x 9.8cm (23 3/8 x 9 1/4 x 3 7/8 in.)
 Materials Non-magnetic white metal alloy (most likely aluminum alloy), black wrinkle finish coating
 Inventory Number A20040179000 Credit Line Gift of the Zubkoff/Maiman Family Data Source National Air and Space Museum Restrictions & Rights Open Access (CCO)
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