Title :
A Carrier Telephone System for Rural Service
Author_Institution :
Bell Telephone Laboratories, Inc., New York, N. Y.
Keywords :
Circuits; Costs; Frequency conversion; Laboratories; Power engineering and energy; Power system modeling; Power system reliability; Power systems; Telephony; Voltage;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1947.5059470