Vintage Radio Service Manual - ADMIRAL model 7R41 7R42 & 7R43 (Chassis 6L1). 6-tube Superheterodyne AM radio receiver with phonograph record player combination. Manufactured by Admiral Corporation, of Chicago, IL. Dated 1947. 4 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.