Vintage Radio Service Manual - ARVIN model 150-TC & 151-TC (Chassis RE-228). 6-tube Superheterodyne AM radio receiver with phonograph record player combination. Manufactured by Noblitt-Sparks Industries, of Columbus, IN. 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 phono equipment.