WARTIME ARCHIVEOriginal photographs, maps and documents of the World Wars

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B-17 Propeller Balancing

S/Sgt. Joseph H. Fulcher, San Antonio, Tex., is shown balancing the propeller of a Boeing B-17 Flying Fortress. This is highly technical work and must be done in dustless, draftproof room. Minor flak and bullet holes in propeller are filled and each blade carefully balanced as the slightest variation in weight would cause dangerous vibration.

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