Vintage Radio Service Manual - FEDERAL model 1040T 5-tube Superheterdyne AM radio receiver. Manufactured by Federal Telephone and Radio Corp., of Newark, NJ. 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.