Vintage Radio Service Manual - TRUETONE model D1747 & D1748 8-tube Superheterodyne AM SW radio receiver. Manufactured by Western Auto Supply Company, of Kansas City, MO. Dated 1948. 6 pages. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test chart, repair parts list and description. This manual would make a sensational accompaniment to your retro audio equipment.