BEITMAN'S 27 VOLUMES OF THE MOST NEEDED VINTAGE TUBE RADIO SCHEMATICS THOUSANDS AND THOUSANDS OF THEM IN ONE PACKAGE MAJOR BRANDS AND MANUFACTURES of SCHEMATIC DIAGRAMS FOR VINTAGE TUBE RADIOS YOU WILL FIND IN THIS PRODUCT Airking - Allied Radio Corp. - Andrea Radio Corp. - Ansley Radio Corp. - Astra - Atwater Kent - Automatic Radio ( Tom Thumb ) Belmont Radio Brunswick Radio & Television - Capehart Corp. - General Motors - Continental Radio & Television Crosley - Detrola - Dewald - Echophone - Emerson - Fada - Fairbanks Morse - Farnsworth - Firestone - Freed - Galvin - Garod - Garrund Eng. & MFG Co. - General Electric - General Industries - Grigsby & Grunow Co. - Hallicrafters - Halson Radio & Television - Hammond Instrument Co. - Howard Radio Co. - International Industries ( Kaudette ) - Magnavox - Majestic - Midwest Montgomery Ward ( Airline ) - Motorola - National Carbon - New Products Corp. - Oldsmobile Packard Bell - Philco radio and Television Co. - Pilot - RCA (Radio Corporation of America) - Radio Wire ( Layfayette ) - Sears ( Silvertone ) - Sentinel - Sky Chief - Sparks-Withington ( Sparton ) - Spiegel (Aircastle ) - Stewart Warner - Stromberg Carlson - Trav-ler Bosch Delco Apex ( US Radio & TV ) - Walgreen ( Aetna ) - Warwick ( Clarion, Troubadour ) - Wells-Gardner ( Arcadia ) - Western Auto Supply ( Truetone ) - Westinghouse - Wilcox Gay and of course... Zenith PLUS HUNDREDS AND HUNDREDS OF OTHERS - TOO MANY TO LIST!