Bombardiers' Information File US Army Air Force May 1945 Viscount altimeter in that it has

altimeter in that it has one pointer (sensitive altimeters have 2-3 pointers)

It has also been identified visually in cockpit illustrations in the flight manuals of the patrol aircraft PBY-5 Catalina and the dive bomber SB2C Helldiver

red and green

and RCAF aircraft

with a normal indication of 7-10 PSI

Bombardiers' Information File US Army Air Force May 1945 Viscount altimeter in that it hasHere is a WWII era Bombardiers' Information File published by the US Army Air Force May 1945. It contains the essential information on the duties and responsibilities of the bombardier. It is in exceptional condition given its age. Measures 8. 5 x 11 inches, and ~0. 5 inches thick.