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 1
... iron diaphragm or disk e supported in front of the magnet . The Principle of the Magnet Telephone is as fol- lows : The iron bar n s , being a I CONSTRUCTION, ...
... iron diaphragm or disk e supported in front of the magnet . The Principle of the Magnet Telephone is as fol- lows : The iron bar n s , being a I CONSTRUCTION, ...
Сторінка 2
... iron bar . On account of the iron diaphragm e in the path of these lines of force offering less resistance to them than the surround- ing air , many lines will traverse the diaphragm in completing their circuits outside the magnet . If ...
... iron bar . On account of the iron diaphragm e in the path of these lines of force offering less resistance to them than the surround- ing air , many lines will traverse the diaphragm in completing their circuits outside the magnet . If ...
Сторінка 4
... iron end projections u and v , and all are bolted together at each end . The end projections h and are of cylindrical shape and serve , the one for holding a wooden or fiber spol which carries the coil of insulated wire s , and the ...
... iron end projections u and v , and all are bolted together at each end . The end projections h and are of cylindrical shape and serve , the one for holding a wooden or fiber spol which carries the coil of insulated wire s , and the ...
Сторінка 5
... iron 0.01 inch thick , is perfectly flat , and is held 1-32 inch distant from the end of the magnet by means of the hard - rubber cap k . a C n n -W The Double - Pole Receiver for several years past has been - gradually replacing the ...
... iron 0.01 inch thick , is perfectly flat , and is held 1-32 inch distant from the end of the magnet by means of the hard - rubber cap k . a C n n -W The Double - Pole Receiver for several years past has been - gradually replacing the ...
Сторінка 6
... iron ) No. 31 B. W. G. , 0.01 inch thick , 24 inches in diameter over all , with a free diameter of about 2 inches , and a diam- eter of about inch exposed to the sound waves . It is perfectly flat , and is varnished as a protection ...
... iron ) No. 31 B. W. G. , 0.01 inch thick , 24 inches in diameter over all , with a free diameter of about 2 inches , and a diam- eter of about inch exposed to the sound waves . It is perfectly flat , and is varnished as a protection ...
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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