Most-often-needed radio diagrams and servicing information, 1926-1938

Includes radio diagrams for numerous 1926-1938 models including: Allied, Apex, Arvin, Atwater Kent, Baldwin, Belmont, Brandes, Buckingham, Chevrolet Delco, Chrysler, Clarion, Columbia, Corona, Crosley, Day-Fan, Delco, Detrola, Edison, Emerson, Eveready, Fada, Fairbanks Morse, Galvin, General Electric, General Household, Graybar, Grunow, Hallicrafters, International, Kadette, Kolster, Majestic, Mid-West, Montgomery Ward, National Carbon, Noblitt Sparks, Oldsmobile, Pacific, Philco, RCA, Sears Roebuck, Stewart-Warner, Stromberg-Carlson, Supreme Instruments, Transf. C. of A., United American Bosch, United Motors, U.S. Radio & Television, Wells Gardner, Westinghouse, and Zenith.