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
S. Smith & Sons, Ltd.
Range 20,000ft.; circa 1917; black with white numbers.
3-D: 11.4 × 4.4 × 11.7cm (4 1/2 × 1 3/4 × 4 5/8 in.)
Aluminum Alloy
Glass
Paint
Non-Magnetic Metal Alloy
A19570071000
Transferred from the Department of Commerce
National Air and Space Museum
Usage conditions apply
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