Vintage Radio Service Manual - STEWART-WARNER model 51T46 (Code 9024B) & 51T56 (Code 9024-C) 5-tube Superheterodyne AM radio receiver. Manufactured by Stewart-Warner Corp., of Chicago, IL. Dated 1948. 4 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 audio equipment.