Sensitive Altimeter, Kollsman Model 21

National Air and Space Museum
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Object Details

Manufacturer
Kollsman Instrument Company
Physical Description
80mm diameter, 170 long; range 0 to 20000; black with white figures; 1931.
Summary
A sensitive altimeter measured the altitude of an airplane above sea level and allowed that reference to be set by a knob. This is the first model produced by Kollsman. Doolittle used the same type of altimeter in his historic 1929 "blind flying" test flight.
Credit Line
Transferred from the Department of Commerce
1931
Inventory Number
A19570042000
Restrictions & Rights
Usage conditions apply
Type
INSTRUMENTS-Flight Management
Materials
metal, rubber, paint, glass, radium paint
Dimensions
3-D: 9.5 × 7.5 × 9.2cm (3 3/4 × 2 15/16 × 3 5/8 in.)
Country of Origin
United States of America
See more items in
National Air and Space Museum Collection
National Air and Space Museum
Record ID
nasm_A19570042000
Metadata Usage (text)
Not determined
GUID (Link to Original Record)
http://n2t.net/ark:/65665/nv9b848deaf-e0be-4d15-88a4-1d61698ffd16
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