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Machinist drilling stud holes in the super-charger end of the upper half of an aluminum crankcase. The crankcase is for the Packard marine engine. Packard marine engine plant, Detroit
Public domain

Machinist drilling stud holes in the super-charger end of the upper half of an aluminum crankcase. The crankcase is for the Packard marine engine. Packard marine engine plant, Detroit

United States. Office For Emergency Management, Palmer, Alfred T. · 1941-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Credit lineMachinist drilling stud holes in the super-charger end of the upper half of an aluminum crankcase. The crankcase is for the Packard marine engine. Packard marine engine plant, Detroit. 1941-01-01. United States. Office For Emergency Management, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.

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