Telephone Construction, Installation, Wiring, Operation and Maintenance: A Practical Reference Book and Guide for Electricians, Wiremen, Engineers, Contractors, Architects, and Others Interested in Standard Telephone Practice...N. W. Henley publishing Company, 1908 - 171 стор. |
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Результати 1-5 із 21
Сторінка v
... less pretentious scope . It is intended for the amateur , the wireman , or the engineer who desires to establish a means of tele- phonic communication between the rooms of his home , office , or shop ; between his house and shop ...
... less pretentious scope . It is intended for the amateur , the wireman , or the engineer who desires to establish a means of tele- phonic communication between the rooms of his home , office , or shop ; between his house and shop ...
Сторінка viii
... less expensive service , with the result that the number of telephone subscribers has in- creased from 281,700 in 1895 , the date of the expiration of the original patents , to approxi- mately 7,000,000 . The 7,000,000 telephones are ...
... less expensive service , with the result that the number of telephone subscribers has in- creased from 281,700 in 1895 , the date of the expiration of the original patents , to approxi- mately 7,000,000 . The 7,000,000 telephones are ...
Сторінка 2
... less resistance to them than the surround- ing air , many lines will traverse the diaphragm in completing their circuits outside the magnet . If , now , the diaphragm be vibrated slightly to and from the end of the magnet , there will ...
... less resistance to them than the surround- ing air , many lines will traverse the diaphragm in completing their circuits outside the magnet . If , now , the diaphragm be vibrated slightly to and from the end of the magnet , there will ...
Сторінка 6
... less , the dia- phragm is liable to stick to the pole faces . The magnet should be capable of exerting a tractive effort of 1.13 pounds . Between the legs of the magnet a lead weight w is cast to increase the weight of the receiver and ...
... less , the dia- phragm is liable to stick to the pole faces . The magnet should be capable of exerting a tractive effort of 1.13 pounds . Between the legs of the magnet a lead weight w is cast to increase the weight of the receiver and ...
Сторінка 18
... less than 300 turns and is wound in two layers . The size of the primary wire de- pends upon the kind of batteries employed and varies considerably . No. 22 or 24 B. & S. gage would be considered an average size . The num- ber of turns ...
... less than 300 turns and is wound in two layers . The size of the primary wire de- pends upon the kind of batteries employed and varies considerably . No. 22 or 24 B. & S. gage would be considered an average size . The num- ber of turns ...
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Telephone Construction, Installation, Wiring, Operation and Maintenance: A ... Harry Cooke Cushing Попередній перегляд недоступний - 2017 |
Telephone Construction, Installation, Wiring, Operation and Maintenance: A ... Harry Cooke Cushing Попередній перегляд недоступний - 2018 |
Telephone Construction, Installation, Wiring, Operation and Maintenance: A ... Harry Cooke Cushing Попередній перегляд недоступний - 2018 |
Загальні терміни та фрази
50 cents alternating current ampere armature binding posts bolted Bridging Connection Bridging Station cable called carbon blocks clearing-out drop complete metallic circuit conductors Construction copper wire cord core cross-arms desk set diaphragm distributing board Dry Cell electrical electromotive force engines exchange switchboard extension bell fastened feet fuse gage ground heat coil hole hook switch inch induction coil insulated iron wire jack latter Leclanché cell lightning arrester line circuit line drop line wires listening key machine magneto bell mechanical mounted ohms operator party party-line systems placed plate plug pole porous cup position PRACTICAL BOOKS primary winding Protective Apparatus receiver ring the bell ringer ringing key rubber series station shown in Fig shows shunt side signaling sleeve soldered solid-back spring steel switch arm talking circuit talking current tele Telephone Circuit tested threads tion transmitter usually vibrations volts wall set wound zinc