This IBM SYSTEM/34 SYSTEM MEASUREMENT FACILITY REFERENCE MANUAL 4th Edition January 1981 is a valuable resource for owners of desktop computers. It provides detailed information on the use and maintenance of the system, including troubleshooting and repair tips. The manual is written in English and is compatible with IBM desktop computers. It was manufactured in the United States and has not been modified, other than one update. This manual is a must-have for anyone who wants to keep their IBM desktop computer running smoothly and efficiently. I AM THE ONLY OWNER. SMOKE FREE HOME. ********* PLEASE NOTE THAT THE FOURTH PICTURE IS OF MY FRIEND’S BELOVED ATTACK DOG “MOLLY.” NEITHER SHE OR THE PICTURES THAT FOLLOW FROM MY COLLECTION OF HANDBILLS & POSTERS FOR CONCERTS I ATTENDED 1968-1971, ARE BEING OFFERED HERE. THEY JUST LOOK NICE FROM A TIME LONG, LONG AGO. THE ONLY THING OFFERED IS IBM S/34 MANUAL. *********