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. |
З цієї книги
Результати 1-5 із 19
Сторінка 4
... wound with No. 38 B. & S. gage silk - covered copper wire to a resistance of 75 ohms , and its terminals are connected to the binding posts m and o by No. 18 or 20 B. & S. gage cotton - covered copper wire which is soldered to them ...
... wound with No. 38 B. & S. gage silk - covered copper wire to a resistance of 75 ohms , and its terminals are connected to the binding posts m and o by No. 18 or 20 B. & S. gage cotton - covered copper wire which is soldered to them ...
Сторінка 5
... . 4. - Method of Winding the Magnets for a Double- Pole Receiver nected in series and are wound in opposite direc- tions as in Fig . 4 , with No. 36 or 38 B. & S. gage silk - covered copper wire to a resistance depending 5.
... . 4. - Method of Winding the Magnets for a Double- Pole Receiver nected in series and are wound in opposite direc- tions as in Fig . 4 , with No. 36 or 38 B. & S. gage silk - covered copper wire to a resistance depending 5.
Сторінка 18
... wound the primary coil . This coil gen- erally has not 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 ...
... wound the primary coil . This coil gen- erally has not 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 ...
Сторінка 29
... wound around it , and a clamp placed over the wire and firmly bolted to the pipe . Another method consists of burying in moist earth below the frost 0000 a 어 பண்ண ееее UH FIG . 19. - A Grounded Telephone Circuit for Transmit- ting ...
... wound around it , and a clamp placed over the wire and firmly bolted to the pipe . Another method consists of burying in moist earth below the frost 0000 a 어 பண்ண ееее UH FIG . 19. - A Grounded Telephone Circuit for Transmit- ting ...
Сторінка 31
... wound in opposite directions around the cores , this current when flowing in one direction will strengthen one pole of the electro- magnet and weaken or reverse its other pole , un- L A h N n C V N C S 8 ' B balancing the armature and ...
... wound in opposite directions around the cores , this current when flowing in one direction will strengthen one pole of the electro- magnet and weaken or reverse its other pole , un- L A h N n C V N C S 8 ' B balancing the armature and ...
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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