The Vintage Sams Photofact Folder No 138 Repair Manual from June 15, 1951 is a unit type manual focusing on vintage electronics such as radios, TVs, and record players. Produced by Howard W. Sams & Co. Inc. in the United States, this manual covers brands like Crosley, RCA Victor, and Westinghouse, providing repair information for models from the 1950s era. Additionally, it includes details on Aircastle, Emerson, Motorola, Philco, and other well-known brands of that period, making it a valuable resource for vintage electronic repair enthusiasts.