Vintage WOOLAROC models 3-1A and 3-2A (Chassis 6-9022-J and 6-9022-K) Superheterodyne AM 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.