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Completed marine engines being tested by engineers. The test shown here is one of the final ones to which the engine is subjected. Packard marine engine plant, Detroit
Public domain

Completed marine engines being tested by engineers. The test shown here is one of the final ones to which the engine is subjected. 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 lineCompleted marine engines being tested by engineers. The test shown here is one of the final ones to which the engine is subjected. 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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