Title :
The Evolution of the Telephone Switchboard
Author :
Lockwood, Thomas D.
Abstract :
A historic account of the development of the telephone exchange, and an analysis of the mechanical and electrical features of telephone switchboard apparatus from 1877 to date.
Keywords :
Batteries; Circuit faults; Cities and towns; Communication switching; Instruments; Magnetic analysis; Magnetic switching; Plugs; Switching circuits; Telephony;
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
DOI :
10.1109/T-AIEE.1903.4764274
