I'll post links to any online AAF Technical Training Films here as I find them.

Starting with:
THE TURBOSUPERCHARGER: MASTER OF THE SKIES
1943
18-AF-123. Army Air Forces training film, 11 minutes duration.
Line maintenance, depot maintenance, and flight operation of the turbosupercharger, using a B-17 for demonstration.
Explains basic principles of the induction, exhaust, cooling, control, and lubrication systems. Shows how the pilot operates the controls.
General O.P. Echols speaks on the value of high altitude flying and Dr. Sanford A. Moss poses with the Collier Trophy (1941).
Includes still pictures of experiments on Pike's Peak.

Information page: HERE
Direct Download (MPEG2, 1 Gig): HERE.
Source: NARA

OOOOOH! More info!!!

Thought you'd like that one Scott.