Vintage Radio Service Manual - ARVIN model 150TC & 151TC (Chassis No. RE-228-1) 5-tube Superheterodyne AM radio combination phonograph record player changer. Manufactured by Noblitt-Sparks Industries, Inc. of Columbus, IN. 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.