Original vintage broadcasting trade magazine ad for BELL SYSTEM. Building a Manhole Bell System Style. Providing access to underground phone cables is vital to good service. Th..
Original vintage broadcasting trade ad for BELL SYSTEM, American Telephone and Telegraph Company and Associated Companies. Your Amazing Telephone Line. Because it can carry your voice so w..
Original vintage broadcasting trade magazine ad for BELL SYSTEM, American Telephone and Telegraph and Associated Companies. We Dug and refilled a 4000 Mile Trench to protect 9300 Communications ..
Original media vintage magazine ad for BELL SYSTEM. New generation of PBX's for your business office telephone. Private Branch Exchange neatly housed in compact cabinets. They c..