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
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