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 20
Сторінка 5
... carry the coils o mounted upon brass spools . The coils are con- 3 S m FIG . 3. - The Double- Pole Receiver and o , which are FIG . 4. - Method of Winding the Magnets for a Double- Pole Receiver nected in series and are wound in ...
... carry the coils o mounted upon brass spools . The coils are con- 3 S m FIG . 3. - The Double- Pole Receiver and o , which are FIG . 4. - Method of Winding the Magnets for a Double- Pole Receiver nected in series and are wound in ...
Сторінка 28
... carried on in both directions . It is simply a further development of the principles illustrated in Fig . 8 , the apparatus and connections at both ends of the line being identical . As to the receiv- ers it may be questioned why the ...
... carried on in both directions . It is simply a further development of the principles illustrated in Fig . 8 , the apparatus and connections at both ends of the line being identical . As to the receiv- ers it may be questioned why the ...
Сторінка 39
... one end of the armature shaft . The shunt is in the form of a spring g , screwed at one end to the iron core of the armature and carrying at the other end a weight w . Owing to the tension of the spring g , its free end 39.
... one end of the armature shaft . The shunt is in the form of a spring g , screwed at one end to the iron core of the armature and carrying at the other end a weight w . Owing to the tension of the spring g , its free end 39.
Сторінка 48
... carrying capacities of copper wires including No. 16 , 18 , 19 , and 20 B. & S. gage is given in the Appendix . It will be noticed from this table that the current- carrying capacity of the No. 18 is 5 amperes . As far as the current - ...
... carrying capacities of copper wires including No. 16 , 18 , 19 , and 20 B. & S. gage is given in the Appendix . It will be noticed from this table that the current- carrying capacity of the No. 18 is 5 amperes . As far as the current - ...
Сторінка 84
... cells are employed . Glass battery jars cannot well be carried with the other materials , and if any of those in use are found to be broken or cracked , a separate trip should be made . TELEPHONE LINE WIRING The Route to be taken by the 84.
... cells are employed . Glass battery jars cannot well be carried with the other materials , and if any of those in use are found to be broken or cracked , a separate trip should be made . TELEPHONE LINE WIRING The Route to be taken by the 84.
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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