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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.
Display Status
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Date
1931
Country of Origin
United States of America
Type
INSTRUMENTS-Flight Management
Manufacturer
Kollsman Instrument Company Physical Description
80mm diameter, 170 long; range 0 to 20000; black with white figures; 1931.
Dimensions
3-D: 9.5 × 7.5 × 9.2cm (3 3/4 × 2 15/16 × 3 5/8 in.) Materials
metal, rubber, paint, glass, radium paint Inventory Number
A19570042000
Credit Line
Transferred from the Department of Commerce
Data Source
National Air and Space Museum
Restrictions & Rights
Usage conditions apply
For more information, visit the Smithsonians Terms of Use.