B-29 Superfortress Service School Manual AR-234 The fluid is intact

The fluid is intact

The Suction Gage measured the amount of vacuum generated to power the pneumatically-operated gyroscopic instruments

25 inches across by 3 inches deep

The glass for #1-2 needs cleaning from the inside

B-29 Superfortress Service School Manual AR-234 The fluid is intactThis is an authentic WWII era compilation of original student training instructions for servicing the US Army Air Force Boeing B 29 Superfortress heavy bomber from the Academic Department of the Amarillo Army Air Field . This 1. 5 inch thick manual contains a collection of training instructions from 1944 and 1945 for select systems of the B 29, including air frames, ventilation, engines, hydraulics, electrical, etc. This was a personal compilation of