A New Key West-Havana Carrier Telephone Cable
01 April 1932
A New Key West--Havana Carrier Telephone Cable * H. A. AFFEL, W. S. GORTON and R. W. CHESNUT A new submarine cable has recently been laid between Key West and Havana in order to furnish more telephone facilities between the United States and Cuba. The cable has a single central conductor with concentric tape return and employs the newly developed material paragutta for insulation. A carrier telephone system provides three telephone channels. As ultimately developed a still greater number of facilities may be made available over the cable.