Altimeter Type B-11 20K Ft, Air Corps US Army US Coast Guard this 130-page handbook is large-pocket-size

this 130-page handbook is large-pocket-size

while stiff

The B-36 was is the largest mass produced piston-engine aircraft ever built (although it had 4 jet engines in addition to its 6 rear-facing piston engines)

published in 1944 by the US Navy Bureau of Aeronautics

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

Altimeter Type B-11 20K Ft, Air Corps US Army US Coast Guard this 130-page handbook is large-pocket-sizeThis 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