Public domain
Superhuman electrical accuracy. Gauging the accuracy of a 155 mm shell by an electrolimit gauge which measures all parts and each curve to the ten-thousandth of an inch. Location: a large eastern arsenal
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Credit lineSuperhuman electrical accuracy. Gauging the accuracy of a 155 mm shell by an electrolimit gauge which measures all parts and each curve to the ten-thousandth of an inch. Location: a large eastern arse. 1942-01-01. 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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