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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.
Denmark
INSTRUMENTS-Flight Management
Cornelius Knudsen
85mm diameter, 35mm deep; set zero by turning face; silver with black numbers.
3-D: 8.9 × 3.8 × 8.9cm (3 1/2 × 1 1/2 × 3 1/2 in.)
Copper AlloyNon-Magnetic White Metal AlloyGlassCopper Alloy PlatingWaxPaint
A19570036000
Transferred from the Department of Commerce
National Air and Space Museum
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