8.05.304

Print, Photographic

1972 Approximate

E. F. Johnson Company Employee. 9 1/2" x 7 1/2" black and white photograph of an unidentified woman, an employee of the E. F. Johnson Co. working in the Clean Room, a climate controlled room where they fabricated quartz crystals used in the radio production process; shown is the cold welding operation.

Waseca business: E.F. Johnson Co.; E.F. Johnson Company; E.F. Johnson Corporate Headquarters; E.F. Johnson Company Corporate Headquarters; E.F. Johnson Co. Corporate Headquarters; E. F. Johnson Co.; E. F. Johnson Company; E. F. Johnson Corporate Headquarters; E. F. Johnson Company Corporate Headquarters; E. F. Johnson Co. Corporate Headquarters.