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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Сторінка 6
... battery work , such as book , the resistance of the considered in this receiver is usually from 100 to 125 ohms ( see Appendix ) divided equally between the two coils . Cotton - covered copper wires are soldered to and connect the ...
... battery work , such as book , the resistance of the considered in this receiver is usually from 100 to 125 ohms ( see Appendix ) divided equally between the two coils . Cotton - covered copper wires are soldered to and connect the ...
Сторінка 10
... one form or another , as shown at c in Fig . 8 , be placed in series with a battery b and an induction coil ps , sound waves of a voice striking against the diaphragm d will cause varying pressures in the carbon and 10.
... one form or another , as shown at c in Fig . 8 , be placed in series with a battery b and an induction coil ps , sound waves of a voice striking against the diaphragm d will cause varying pressures in the carbon and 10.
Сторінка 11
... battery and primary wind- ing of the induction coil are connected . The variations of the pulsating current will be in har- mony with those of the voice , and will induce in the secondary winding s of the induction coil an alternating ...
... battery and primary wind- ing of the induction coil are connected . The variations of the pulsating current will be in har- mony with those of the voice , and will induce in the secondary winding s of the induction coil an alternating ...
Сторінка 18
... batteries employed and varies considerably . No. 22 or 24 B. & S. gage would be considered an average size . The num ... battery work . It is wound to a resistance of 1.7 ohms in the primary and 175 ohms in the secondary . The terminals ...
... batteries employed and varies considerably . No. 22 or 24 B. & S. gage would be considered an average size . The num ... battery work . It is wound to a resistance of 1.7 ohms in the primary and 175 ohms in the secondary . The terminals ...
Сторінка 19
... Battery . - Telephone work for the purposes considered in this book requires the use of pri- mary batteries ; in other words , batteries in which zinc is consumed by chemical action to generate วร electricity . A battery consists of two ...
... Battery . - Telephone work for the purposes considered in this book requires the use of pri- mary batteries ; in other words , batteries in which zinc is consumed by chemical action to generate วร electricity . A battery consists of two ...
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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