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 25
Сторінка 13
... , a heavy metal strip , which in turn is fastened to 7 by the spring k . The pressure between the platinum contact , the carbon button , and the iron diaphragm is adjusted by varying the position of the strip y by means 13.
... , a heavy metal strip , which in turn is fastened to 7 by the spring k . The pressure between the platinum contact , the carbon button , and the iron diaphragm is adjusted by varying the position of the strip y by means 13.
Сторінка 15
... fastened to the cover r by the hard - rubber circular sleeve uu which overlaps it inch , and is damped by the cloth - covered end of the spring. FIG . 11. The Solid - Back Transmitter FIG . 12. - An Induction Coil FIG . 13. 15.
... fastened to the cover r by the hard - rubber circular sleeve uu which overlaps it inch , and is damped by the cloth - covered end of the spring. FIG . 11. The Solid - Back Transmitter FIG . 12. - An Induction Coil FIG . 13. 15.
Сторінка 25
... fastened to z , form the ter- minals of the cell . The internal resistance is about 0.5 ohm , and the electromotive force is 2 volts . The Gravity Cell , Fig . 17 , has for its positive plate three sheets of copper fastened together as ...
... fastened to z , form the ter- minals of the cell . The internal resistance is about 0.5 ohm , and the electromotive force is 2 volts . The Gravity Cell , Fig . 17 , has for its positive plate three sheets of copper fastened together as ...
Сторінка 28
... fastened to the zinc plates are coupled together and form the other terminal of the cell . The internal re- sistance is but 0.025 ohm , and the working electro- motive force about 0.75 volt . Conversing in Both Directions . - Fig . 19 ...
... fastened to the zinc plates are coupled together and form the other terminal of the cell . The internal re- sistance is but 0.025 ohm , and the working electro- motive force about 0.75 volt . Conversing in Both Directions . - Fig . 19 ...
Сторінка 34
... fastened to either side of the armature e so as to pull that end of it toward the magnet . The result is that the bell will not respond to cur- rents of one polarity , but will respond to currents. FIG . 22. - Armature End of Ringer ...
... fastened to either side of the armature e so as to pull that end of it toward the magnet . The result is that the bell will not respond to cur- rents of one polarity , but will respond to currents. FIG . 22. - Armature End of Ringer ...
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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