Altimeter Type B-11 20K Ft, Air Force US Army UH-1 so it was likely used

so it was likely used in a USN aircraft

vs wings and tailwheel) aircraft

The equipment is basically a 15 tube superheterodyne radio receiver with the addition of certain essential circuits necessary for radio compass operation

The Air Position Indicator Computer was installed in the instrument panel of the navigator

A-25 Shrike

Altimeter Type B-11 20K Ft, Air Force US Army UH-1 so it was likely usedThis is a WWII era Sensitive Altimeter displaying aircraft altitude from 0 to 20,000 feet. The Type B 11, made by the Bulova Watch Company, was used in a variety of aircraft during early WWII with a maximum performance ceiling below 20,000 ft. This altimeter has a serial number prefix of AF 43, indicative of a year of manufacture of 1943. See spec sheet. Altitude was indicated from 0 10,000 ft by the long pointer along the outer scale. As the aircraft