Vintage WOOLAROC model 3-11A (Chassis 56A76) Superheterodyne 6 tube AM SW radio receiver. Original old Sams Photofact manual includes schematic, layout, alignment instructions, voltage & resistance test charts, repair parts list and description. Dated 1946. 4 pages. Phillips Petroleum Co., of Bartlesville, OK. This manual would make a sensational accompaniment to your classic retro radio equipment.