E. F. Johnson Company Catalog. Roto Matic Antenna Array Catalog No. 704. Material: paper. Size: 8 1/2" x 11". Description: red cover; black and white sketch of E.F. Johnson Company products; E.F. Johnson logo bottom right; red, white and black print: "Johnson Universal Roto Matic Antenna Array, for those who want the finest, available with parasitic or driven elements, Catalog No. 704, E.F. Johnson Co., a famous name in radio, Waseca, Minnesota"; 2 pages. Logo in use from 1938-1956.
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.