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 16
Сторінка 30
... armature v pivoted at its center so as to permit of its oscillat- ing , and , by means of the clapper o attached to it , striking alternately the gongs h and . The bell l . is actuated by an alternating current , and depends for its ...
... armature v pivoted at its center so as to permit of its oscillat- ing , and , by means of the clapper o attached to it , striking alternately the gongs h and . The bell l . is actuated by an alternating current , and depends for its ...
Сторінка 31
... armature v is neutral , and it remains balanced . As soon as an alternating current passes through the magnet coils , which are wound in opposite directions around the cores , this current when flowing in one direction will strengthen ...
... armature v is neutral , and it remains balanced . As soon as an alternating current passes through the magnet coils , which are wound in opposite directions around the cores , this current when flowing in one direction will strengthen ...
Сторінка 32
... armature . Owing to a high reduction gear being used between the armature shaft and the hand wheel , but a few rapid turns of the latter are necessary to drive the armature at a sufficiently high speed to generate the required power to ...
... armature . Owing to a high reduction gear being used between the armature shaft and the hand wheel , but a few rapid turns of the latter are necessary to drive the armature at a sufficiently high speed to generate the required power to ...
Сторінка 33
... armature with respect to the poles is secured , 200 1000 OHM . as shown in Fig . 22 , by having the armature CC supported upon the spring plate DD , which is provided with two holes to receive the ends of the magnet cores EE . A cross ...
... armature with respect to the poles is secured , 200 1000 OHM . as shown in Fig . 22 , by having the armature CC supported upon the spring plate DD , which is provided with two holes to receive the ends of the magnet cores EE . A cross ...
Сторінка 34
... armature to be secured . The clapper G is bolted to the armature as shown . The coils are wound with silk - insulated wire and are covered with heavy linen cloth to protect them from injury . Fig . 23 shows a Kellogg magneto bell ...
... armature to be secured . The clapper G is bolted to the armature as shown . The coils are wound with silk - insulated wire and are covered with heavy linen cloth to protect them from injury . Fig . 23 shows a Kellogg magneto bell ...
Інші видання - Показати все
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