Vintage Radio Service Manual - MOTOROLA model 708 8-tube car Superheterodyne AM radio receiver. Manufactured by Motorola, Inc., of Chicago, IL. Dated 1948. 6 pages. Original old Sams Photofact manual includes schematic, layout, alignment instructions, dial cord drive, voltage & resistance test chart, repair parts list and description. This manual would make a sensational accompaniment to your retro automobile audio equipment.