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 15
Сторінка 8
... prevented by the extra cord f , tied around the bend in the magnet bar d . Attention is also called to the small perforations b in the diaphragm cap , instead of an unobstructed opening , the ob- ject being to afford more ample ...
... prevented by the extra cord f , tied around the bend in the magnet bar d . Attention is also called to the small perforations b in the diaphragm cap , instead of an unobstructed opening , the ob- ject being to afford more ample ...
Сторінка 27
... plates as shown . The jar is filled with a so- lution of caustic potash and water , on which is 1 poured a layer of oil to prevent the salts ,. FIG . 18. - The Edison cr Gladstone Cell FIG . 20. - Diagram of Magneto Bell and Generator. 27.
... plates as shown . The jar is filled with a so- lution of caustic potash and water , on which is 1 poured a layer of oil to prevent the salts ,. FIG . 18. - The Edison cr Gladstone Cell FIG . 20. - Diagram of Magneto Bell and Generator. 27.
Сторінка 28
... prevent the salts , which form , creeping up to the edge of the jar . In setting up the cell , only half of the sticks of caustic potash furnished by the makers should at first be placed in the jar . After water has been poured on them ...
... prevent the salts , which form , creeping up to the edge of the jar . In setting up the cell , only half of the sticks of caustic potash furnished by the makers should at first be placed in the jar . After water has been poured on them ...
Сторінка 50
... prevent its slip- ping out of place . The wires leading out of the building should be No. 14 weather - proof wire , protected from the FIG . 38. - Porcelain Drip Tube for Protecting the Wires from the House Wall and Preventing Water ...
... prevent its slip- ping out of place . The wires leading out of the building should be No. 14 weather - proof wire , protected from the FIG . 38. - Porcelain Drip Tube for Protecting the Wires from the House Wall and Preventing Water ...
Сторінка 64
... prevent the talking current being shunted through this path . 06 . b O olo FIG . 50. Bridging Connection with the Bell and Gen- erator in Series Other modifications are shown in Fig . 51 , where o is the battery , t the transmitter , p ...
... prevent the talking current being shunted through this path . 06 . b O olo FIG . 50. Bridging Connection with the Bell and Gen- erator in Series Other modifications are shown in Fig . 51 , where o is the battery , t the transmitter , p ...
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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