Bombing - Students' Manual, US Army Air Force Training Command WWII Mosquito The time is set by

The time is set by pulling out and rotating the knob at the front corner and rotating

The written content of each drawing is in Japanese with some English annotations

dated Nov 1948

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

Bombing - Students' Manual, US Army Air Force Training Command WWII Mosquito The time is set byThis 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.