Vintage Radio Service Manual - WESTINGHOUSE model H-178 (Chassis No. V-2133) battery operated 5-tube Superheterodyne AM radio receiver. Manufactured by Westinghouse Electric Corp., of Sunbury, PA. Dated 1948. 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.