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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. 2 :
_bA General Reference Work on Telephony, etc. etc.
264 1 _aSalt Lake City, UT :
_bProject Gutenberg,
_c2010
300 _a1 online resource :
_bmultiple file formats
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
500 _aRelease date is 2010-08-15
508 _aProduced by Ronald Holder, Stephen H. Sentoff and the Online Distributed Proofreading Team at https://www.pgdp.net
520 _a"Cyclopedia of Telephony and Telegraphy, Vol. 2" by the American School of Correspondence is a comprehensive scientific publication written in the early 20th century. This volume serves as a reference work on telephony and telegraphy, addressing various topics including telephone systems, switchboards, power plants, and the principles of electrical communication. The text is likely intended for communications professionals, engineers, and students in electrical engineering. The opening of this volume sets the stage for an in-depth exploration of telephony and telegraphy, detailing the evolution and complexities of the technologies involved. It discusses the significance of understanding both simplistic and advanced principles behind telecommunication systems, emphasizing the human devices that have made instant communication possible. The initial chapters outline the structure and operation of manual switchboards and the common-battery system, highlighting their advantages and challenges. It invites the reader to delve into the intricate workings and practical applications of telecommunication technologies, illustrating their relevance to the field of electrical engineering. (This is an automatically generated summary.)
534 _nOriginal publication data not identified
653 _aTelephone
653 _aTelegraph
856 4 0 _uhttps://www.gutenberg.org/ebooks/33437
999 _c74283
_d74283