Radio Shack catalog number 26-1166
Includes assembly schematics, parts list, PCB details/schematic, wiring diagrams, and trouble shooting flow charts
Original 1981 Manual from the manufacturer - Not a copy
Measures 8 1/2" x 11", 134 pages on thick paper stock
3 hole punched
Excellent pre-owned condition: no marks or stains, no missing pages, no rips or tears, no writing except on cover, still has original Radio Shack price tag
Printed in Japan