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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 Kingdom
INSTRUMENTS-Flight Management
Short and Mason Ltd.
118mm diameter, 45mm long; mark 5b; non-luminous; black with white figures; 1918.
3-D (Diameter x Depth): 11.6 × 4.5cm (4 9/16 × 1 3/4 in.)
Non-Magnetic White Metal AlloyGlassPaintCopper Alloy
A19570070000
Transferred from the Department of Commerce
National Air and Space Museum
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