A worker placing wires in a plastic slug, United States, 1945
Photograph. A worker placing wires in a plastic slug. Official Caption [partial]: "First, short sections of wire are placed in grooves in an especially prepared plastic slug. (The wires are much thicker that those ordinarily measured. in order that they . . . in the picture. 6533Q." Introduction to three photos: "Rome, 6/12/45--Measuring fine wires for precision instruments--Here are three pictures illustrating how fine wires are measured for precision instruments.--FF Photos--Serviced by Rome OWI (A List Out). Approved by Appropriate Military Authority." 12 June 1945