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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.
United States of America
INSTRUMENTS-Scientific
Douglass Products Corp.
Range 10,000ft.; circa 1918; pocket model; duration use: 3 hrs.
3-D: 12.4 × 8.6 × 4.1cm (4 7/8 × 3 3/8 × 1 5/8 in.)
SteelAluminum AlloyCopper AlloyPaperCoated LeatherSynthetic FabricPlasticPaintGrease PencilAdhesiveInkUnknown Sealant
A19570099000
Transferred from the Department of Commerce
National Air and Space Museum
Open Access (CCO)For more information, visit the Smithsonian’s Terms of Use.