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[Study guides issued by Boeing Flying Fortress School]
Study guides issued by the Boeing Flying Fortress School in Seattle, Washington, circa 1940s. Contains information about engine operation, engine maintenance, and the induction, fuel, and oil systems for the B-17F. 25 typed pages.
Volume 1 / Basic to engines [training manual]
Training manual used by Lyden H. Rien while attending the Flying Fortress School in Seattle, Washington, circa 1941-1945. Includes handwritten notes, diagrams, and worksheets.