E. F. Johnson Company Catalog. Viking Amateur Radio Equipment Catalog No. 956. Material: paper. Size: 8 1/2" x 11". Description: white and black cover; black and white sketch of radio waves, two sketches of Earth, black and white photograph of an Amateur Radio desk; E.F. Johnson Company logo bottom center; red and black print: "World Famous Viking Amateur Radio Equipment, E.F. Johnson Company, Waseca, Minnesota, Catalog 959"; 17 pages. Logo in use from 1956-1962.
