Japanese Aircraft Performance & Characteristics TAIC Manual No. 1 C-118 which indicate airspeed in 100

which indicate airspeed in 100 km/h increments

Makes a nice little display item

and the smallest pointer travels along an inner dial

the system could vector interceptor aircraft to an inbound threat in real time

TO 30-100D-1 dated Jan 1944

Japanese Aircraft Performance & Characteristics TAIC Manual No. 1 C-118 which indicate airspeed in 100This is an original WWII era intelligence manual published by the Technical Air Intelligence Center of the US Navy covering the latest information regarding aircraft of the Japanese Army and Navy. Also included is information on Japanese aircraft engines, armament, and radio equipment. It is in good condition given its age.