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
Summary
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Tags
Date
01/01/1942
Contributors
Palmer, Alfred T., photographer
United States. Office of War Information.
Location
Source
Library of Congress
Copyright info
Public Domain