Developments in the field of cable and radiotelegraph communications

FOUR record-communication operating organizations constitute the far-flung system of the International Telephone and Telegraph Corporation which provides telegraphic connections between the continental United States and the outside world. These companies are: All America Cables and Radio, Inc. The Commercial Cable Company The Commercial Pacific Cable Company The Mackay Radio and Telegraph Company and operate as a group under the management of the American Cable and Radio Corporation. A brief historical review of each company follows.