US Army Air Force
Training Booklets, Set of 3: Upper, Lower Ball, and Tail Turrets
This listing is for a set of 3 original WWII-era armorer training booklets for gun turrets used in the heavy bombers B-17 and B-24 compiled by the Air Forces Technical School, 2nd Echelon Power Operated gun Turret Division, Lowery Field Colorado, February 1943. Includes:
1) Sperry Upper Turret, 13 pages
2) Sperry Lower Ball Turret, 11 pages
3) Consolidated Tail Turret, 14 pages
Each booklet reviews turret installation, service, maintenance, inspection, and adjustment.
These booklets are in reasonably good condition given their age. Some pencil markings.