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 26
Сторінка 28
... Circuit is shown in Fig . 19 ; that is , the earth or ground is used as one con- ductor between the two stations a and b , in place of one of the line wires . Either a grounded circuit or a two - wire ( complete metallic ) circuit 28.
... Circuit is shown in Fig . 19 ; that is , the earth or ground is used as one con- ductor between the two stations a and b , in place of one of the line wires . Either a grounded circuit or a two - wire ( complete metallic ) circuit 28.
Сторінка 29
... ( complete metallic ) circuit is prac- ticable in connecting the stations a and b . In the former case , connection with the ground at each station may be made either by fastening the ground wire to a water pipe or to a metal rod driven ...
... ( complete metallic ) circuit is prac- ticable in connecting the stations a and b . In the former case , connection with the ground at each station may be made either by fastening the ground wire to a water pipe or to a metal rod driven ...
Сторінка 47
... complete me- tallic circuit . The ground is then used only for the light- ning - arrester nections . con- The Interior Wir- ing Between the Tel- ephone Set and Line Wires is preferably done with No. 18 B. & S. gage rubber- covered ...
... complete me- tallic circuit . The ground is then used only for the light- ning - arrester nections . con- The Interior Wir- ing Between the Tel- ephone Set and Line Wires is preferably done with No. 18 B. & S. gage rubber- covered ...
Сторінка 51
... complete metallic line . In both illustrations , a represents the porcelain tube , c e e T FIG . 39 - Method of Wiring a Grounded Telephone Line between the House and the First Pole a C e n FIG . 40 - Method of Wiring a Complete ...
... complete metallic line . In both illustrations , a represents the porcelain tube , c e e T FIG . 39 - Method of Wiring a Grounded Telephone Line between the House and the First Pole a C e n FIG . 40 - Method of Wiring a Complete ...
Сторінка 53
... Complete Metallic Telephone Circuit , Showing the Neces- sary Wiring one set of these devices is used , connected between the line wire and the telephone set . Figs . 41 and 42 show D. and W. combination protective sets for a grounded ...
... Complete Metallic Telephone Circuit , Showing the Neces- sary Wiring one set of these devices is used , connected between the line wire and the telephone set . Figs . 41 and 42 show D. and W. combination protective sets for a grounded ...
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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