E. F. Johnson Company Catalog. Heavy Duty RF Compnents Catalog No. 535. Material: paper. Size: 8 1/2" x 11". Description: gray cover; black and white photograph of E.F. Johnson Company Products; E.F. Johnson logo lower left; black print: "Heavy Duty RF Components for industrial and broadcast equipment applications, Inductors, Insulators, RF Switches, Sampling Loops, Lighting Filters, Isolation Filters, Catalog No. 535, E.F. Johnson Company, Waseca, Minnesota; 6 pages. Logo in use from 1956-1962.
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.