B-29 Superfortress Mechanics Handbooks (2) P-80 Here is the Induction Compass

Here is the Induction Compass (Directional) Indicator for the Sperry Gyrosyn Compass system used in a number of Cold-War-era US Military aircraft such as the B-52 Stratofortress

This is an Altimeter used in military aircraft of the US Navy either during or post WW1

The purpose of the instrument is to rapidly indicate to the pilot the attitude

This small but comprehensive reference book contains over 600 pages of information on the state of military aircraft as of 1940

as used in the British RAF Fairey Battle bomber and the Airspeed Oxford utility aircraft

B-29 Superfortress Mechanics Handbooks (2) P-80 Here is the Induction CompassHere are two pocket reference manuals for mechanics servicing the WW B 29 Superfortress Bomber. One 70+ page handbook, measuring ~ 5 inches by ~6 inches, was printed in Nov 1944 and reviews the basic mechanical preventive maintenance checks and lists the technical orders for all other procedures and systems. The second (blue), measuring ~4 inches by ~7 inches, is a 38 page photocopy covering basic troubleshooting. This listing is for both pocketbooks.