E. F. Johnson Company Employees. Electro-Plating Room. 6 1/4" x 5" black and white photograph of the electro-plating room at the E. F. Johnson Co., manufacturers of radio equipment and radio components; identified L-R: Joe Studnicka, Gene Drager, and Helen Suemnick; shown wearing heavy rubber aprons and gloves, dipping parts in the large tanks; plating department using a variety of metals; photographed by Huneke Studio, Waseca, Minnesota. A separate ventilating system exhausts the air in this plating department more rapidly than in any part of the building. Parts manufactured are plated with a variety of metals.
