Vintage Radio Service Manual - SILVERTONE model 7226 (Chassis No. 101.819A) Battery-Line operated, 6-tube Superheterodyne AM radio receiver. Manufactured by Sears, Roebuck & Company, of Chicago, IL. Dated 1948. 6 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