The Gyro Applied by K.I.T. Richardson Bf-109 likely when they were removed

likely when they were removed from the aircraft

Normal 0 false false false MicrosoftInternetExplorer4 Offered in this listing is an authentic Engine BMEP Gauge from the late 1940's

GE Type DJ-4

and the vertical bar deflects to give an appropriate "fly right" or "fly left" indication

The Gyro Applied by K.I.T. Richardson Bf-109 likely when they were removedThe Gyro Applied book, published in 1954, covers the fundamentals of gyroscopes and their applications in aeronautics and military and marine applications. The gyroscope was key to successful instrument flight from the early 1900's, and was central to many aviation instruments and automatic pilot systems. The 384 page book is in good condition.