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 19
Сторінка 28
... 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.
... 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
... 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 down to ...
... 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 down to ...
Сторінка 32
... metallic rings collect the current generated in the 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 ...
... metallic rings collect the current generated in the 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 ...
Сторінка 47
... covered strand- ed wires . The rub- ber insulation on the No. 18 should be at least inch thick , and on the FIG . 35. - Method of Wiring Series Telephone Sets on a Complete Metallic Circuit 32 No. 16 at least 2 inch thick . Copper.
... covered strand- ed wires . The rub- ber insulation on the No. 18 should be at least inch thick , and on the FIG . 35. - Method of Wiring Series Telephone Sets on a Complete Metallic Circuit 32 No. 16 at least 2 inch thick . Copper.
Сторінка 51
... 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 Metallic Tele ...
... 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 Metallic Tele ...
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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