B-29 Superfortress Mechanics Handbooks (2) P-80 Here is an original pre-WWII

Here is an original pre-WWII hard copy of the Handbook of Operation and Flight Instructions for the US Army Air Corps' Boeing B-17B Flying Fortress bomber

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

The station distributor is set to control the sequence in which bombs are released

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

It is a wonderful reference document from that era

B-29 Superfortress Mechanics Handbooks (2) P-80 Here is an original pre-WWIIHere 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.