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There are 9 summaries on Telephone.
Encyclopedia and Summary Information
summary from source:
 Telephone Summary
2,858 words, approx. 10 pages
 Telephone technology allows a person to talk to nearly anyone in any place who has similar equipment. There are substantial ethical questions related to the uses and abuses of the telephone. Among other things, the telephone is a communication system... summary from source:
 Telephone Industry, Technology Of Summary
2,751 words, approx. 9 pages
The public switched telephone network (PSTN) in the United States operated as a virtual monopoly from 1877 until the government-sanctioned breakup of American Telephone & Telegraph (AT&T) in 1984. Since that time, deregulation and... summary from source:
Telephone Industry, Regulation Of Summary
2,643 words, approx. 9 pages
Commercial telephone service began in the United States in 1877. Recognizing the advantage of monopolistic control over the industry, the fledgling Bell Telephone Company sought regulation as protection from "aggressive competition"... summary from source:
 Telephone Summary
1,651 words, approx. 6 pages
The telephone is a device for electrically transmitting voice communications over wire and is based on the fact that the human voice vibrates air. In the phone, this air vibrates a diaphragm in turn, which produces a varying electric current. This... summary from source:
 Telephone Skills Summary
1,507 words, approx. 5 pages
Telephones are devices that allow the user to communicate messages across lines electronically. One can easily communicate with those both nearby and far away using the telephone by simply dialing a specially designated number. The word telephone comes... summary from source:
 Telephone Summary
1,419 words, approx. 5 pages
 The telephone is a device for conducting spoken conversations across any distance beyond the range of the unaided human ear or the unamplified human voice. It works by transferring the atmospheric vibrations of human speech into a solid body, and by... summary from source:
 Telephone Summary
134 words, approx. 0 pages
Instrument designed for simultaneous transmission and reception of the human voice. It works by converting the sound waves of the human voice to pulses of electrical current, transmitting the current, and then retranslating the current back to sound.... summary from source:
 Rising Telephone Use Summary
112 words, approx. 0 pages
During the war years only about one-half of American homes had telephones. Before the war residents and civilian businesses rarely made long-distance calls. Long-distance calling did not become common until U.S. military personnel were separated from... summary from source:
 Telephone Summary
2,815 words, approx. 9 pages
The telephone is a telecommunications device which is used to transmit and receive sound (most commonly speech), usually two people conversing but occasionally three or more. It is one of the most common household appliances in the world today. Most... 
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