Identification of Japanese Aircraft, US War Dept, 1942 FM 30-38 DC-7 The bubbles in the levels

The bubbles in the levels are intact and all other mechanical functions appear to operate as intended

and the B-57 Canberra

This is an exceptional example of a Soviet Airspeed Indicator as used in 1950-70's aircraft the USSR Air Force

and ~4 inches deep

Identification of Japanese Aircraft, US War Dept, 1942 FM 30-38 DC-7 The bubbles in the levelsThis is a Field Manual for the Identification of Japanese Aircraft published for US Military Intelligence by the War Department in March 1942. It was clearly published in the rush to war in order to provide service personnel with the best information available at the time regarding the aircraft of their adversary. This 175 page manual describes and illustrates ~85 aircraft of the Japanese Army and Navy. The manual is in good condition. No tears. Three