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 17
Сторінка 16
... hole d , which is insulated from the outer case by a hard - rubber bushing . A fine wire leads from here to o , and the circuit continues through the carbon plates and carbon granules to e , thence by the strip k to the outer metal case ...
... hole d , which is insulated from the outer case by a hard - rubber bushing . A fine wire leads from here to o , and the circuit continues through the carbon plates and carbon granules to e , thence by the strip k to the outer metal case ...
Сторінка 17
... hole d ; then the screws which hold the cover to the case must be taken out , after which the working parts can be withdrawn . The Induction Coil . - An induction coil is used in Fig . 8 for several reasons . This instrument , by ...
... hole d ; then the screws which hold the cover to the case must be taken out , after which the working parts can be withdrawn . The Induction Coil . - An induction coil is used in Fig . 8 for several reasons . This instrument , by ...
Сторінка 33
... holes to receive the ends of the magnet cores EE . A cross - bar FF is mounted over the poles , and into this is threaded the screw B which projects through a hole in the permanent magnet A and has a shoulder bearing on the plate DD ...
... holes to receive the ends of the magnet cores EE . A cross - bar FF is mounted over the poles , and into this is threaded the screw B which projects through a hole in the permanent magnet A and has a shoulder bearing on the plate DD ...
Сторінка 45
... holes , and the bind- ing post r , with which the central clips and carbon blocks are in electrical contact , must be carefully connected to earth by as short and straight a con- ductor as possible . The binding posts b and h must be ...
... holes , and the bind- ing post r , with which the central clips and carbon blocks are in electrical contact , must be carefully connected to earth by as short and straight a con- ductor as possible . The binding posts b and h must be ...
Сторінка 49
... holes in the wall or floor along the desired path , pushing a flat spring wire from one hole toward the other , and catching it through the latter hole with a wire hook . By means of the spring wire , the flexible conduit con- taining ...
... holes in the wall or floor along the desired path , pushing a flat spring wire from one hole toward the other , and catching it through the latter hole with a wire hook . By means of the spring wire , the flexible conduit con- taining ...
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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