000 02241cam a22003133u 4500
001 15617
003 UtSlPG
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006 m
007 cr n
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040 _aUtSlPG
041 7 _aen
_2iso639-1
050 4 _aTK
100 1 _aAmerican School of Correspondence
245 1 0 _aCyclopedia of Telephony and Telegraphy, Vol. 1 :
_bA General Reference Work on Telephony, etc. etc.
264 1 _aSalt Lake City, UT :
_bProject Gutenberg,
_c2005
300 _a1 online resource :
_bmultiple file formats
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
500 _aRelease date is 2005-04-14
508 _aProduced by Ronald Holder and the Online Distributed Proofreading Team at https://www.pgdp.net.
520 _a"Cyclopedia of Telephony and Telegraphy, Vol. 1" by the American School of Correspondence is a comprehensive scientific publication written in the early 20th century. This work serves as a general reference on various aspects of telephony and telegraphy, including technical principles, equipment, systems, and their operations. It aims to provide engineers and technicians with an authoritative overview of the electrical transmission of intelligence, detailing the intricacies of devices and methodologies involved in communication. The opening of the cyclopedia introduces readers to the foundational concepts of telephony, discussing the historical significance of Alexander Graham Bell and his invention of the telephone. It explains critical principles, such as the nature of sound and its transmission through different mediums, as well as the workings of telephone and telegraph systems. The text emphasizes the complexity behind the simplicity of effective communication and sets the stage for in-depth discussions about acoustic principles, the development of switchboards, and the transmission mechanisms central to the functioning of telephony and telegraphy. (This is an automatically generated summary.)
534 _nOriginal publication data not identified
653 _aTelephone
653 _aTelegraph
856 4 0 _uhttps://www.gutenberg.org/ebooks/15617
999 _c57005
_d57005