Altimeter Type B-11 20K Ft, Air Corps US Army US Coast Guard This particular specimen has a

This particular specimen has a serial number showing a year of manufacture of 1939

while stiff

A fuel tank selector switch was mounted on the panel above this indicator

but the unit is in otherwise in exceptoinal condition given its age

Altimeter Type B-11 20K Ft, Air Corps US Army US Coast Guard This particular specimen has aThis 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. ACUSARMY is imprinted on its face, for Air Corps US Army. Altitude was indicated from 0 100 ft by