Public domain
Production. Locomotives. Framed by a huge hydraulic turbine runner, this worker uses a pneumatic hammer to remove irregularities from its inner surface. This is an important operation, since a smooth waterway must be provided through the runner. Baldwin Locomotive Works
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Credit lineProduction. Locomotives. Framed by a huge hydraulic turbine runner, this worker uses a pneumatic hammer to remove irregularities from its inner surface. This is an important operation, since a smooth . 1942-01-01. United States. Office Of War Information, Rittase, William M.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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