Bombing - Students' Manual, US Army Air Force Training Command WWII Mosquito Here is a Type A-3

Here is a Type A-3 Wheel and Flap Position Indicator used in WWII aircraft of the US Army Air Force with a tail wheel (vs nose wheel aircraft)

It has a date stamp of October 1954

but likely made by Dr

it appears identical to the one illustrated in Robert Mikesh's book Japanese Aircraft Equipment 1940-1945

All knobs appear to operate mechanically as intended

Bombing - Students' Manual, US Army Air Force Training Command WWII Mosquito Here is a Type A-3This is an original Students' Manual for Bombing published by the US Army Air Forces Training Command in bombardier schools during WWII. This ~3 4 inch thick manual covers all topics necessary to effectively train a WWII bombardier in theory, equipment, use, and maintenance, including the M Series (Norden) bombsight. It is in exceptional condition given its age. All pages appear to be intact.