Vintage PHONOLA model 4007  AC operated 10 transistor stereo amplifier, with 4 speed automatic record changer. Original old Sams Photofact manual includes schematic, parts layouts, parts list and description. 4 pages. Dated 10-1966. Manufactured by Waters Conley Company, Inc., of Rochester, MN. This manual would make a sensational accompaniment to your retro phonograph equipment.