Sperry Marine Gyro-Compass and Gyro-Pilot Manual 1944 Regia Aeronautica all for the elimination of

all for the elimination of errors caused by magnetism

the need for the contactor disappeared and true IFF (Identification Friend or Foe) transponders took their place

The rubber boots over the triggers have deteriorated with age

This is an excellent specimen of the Contact Altimeter (Kontakt-Hohenmesser) Fl

Sperry Marine Gyro-Compass and Gyro-Pilot Manual 1944 Regia Aeronautica all for the elimination ofThis is an original hard copy manual for the Sperry Gyro Compass and Gyro Pilot system used in sea vessels during the 1940's and 1950's. The ~60 page manual describes the operation and maintenance of the system. It is full of text, illustrations, and diagrams. It was published in 1944, and is in very good condition.