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Conservation. Glass gauges replacing steel. A plain plug glass gauge, which replaces a steel gauge in the Frankford Arsenal, is used to determine the inside diameter of a metal part. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by
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Conservation. Glass gauges replacing steel. A plain plug glass gauge, which replaces a steel gauge in the Frankford Arsenal, is used to determine the inside diameter of a metal part. Glass gauges are lighter and cheaper than steel, permit greater visibility in inspection, are not as much affected by

United States. Office Of War Information, Palmer, Alfred T. · 1943-01-01 · photo, print, drawing

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

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pennsylvaniaphiladelphia countysafety film negativesphiladelphiaunited states
Credit lineConservation. Glass gauges replacing steel. A plain plug glass gauge, which replaces a steel gauge in the Frankford Arsenal, is used to determine the inside diameter of a metal part. Glass gauges are . 1943-01-01. United States. Office Of War Information, Palmer, Alfred T.. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.
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