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. |
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Результати 1-5 із 16
Сторінка 19
... divided into two kinds : open - circuit cells and closed - circuit cells . The former are employed where there is only an occasional use for the trans-. FIG . 12. - An Induction Coil FIG . 13. - The Leclanché Cell FIG . 14. 19.
... divided into two kinds : open - circuit cells and closed - circuit cells . The former are employed where there is only an occasional use for the trans-. FIG . 12. - An Induction Coil FIG . 13. - The Leclanché Cell FIG . 14. 19.
Сторінка 20
... closed - cir- cuit cells the depolarizer acts continuously . The chief forms of open circuit cells are the Leclanché cell and the so - called dry cell . The chief forms of closed - circuit cells used in telephone work are the Fuller ...
... closed - cir- cuit cells the depolarizer acts continuously . The chief forms of open circuit cells are the Leclanché cell and the so - called dry cell . The chief forms of closed - circuit cells used in telephone work are the Fuller ...
Сторінка 21
... closed- circuit cells . The Leclanche Cell , Fig . 13 , comprises a nega- tive plate of carbon c surrounded by the depolarizer , which consists of a mixture of crushed manganese- dioxide and crushed carbon in a porous cup d . The ...
... closed- circuit cells . The Leclanche Cell , Fig . 13 , comprises a nega- tive plate of carbon c surrounded by the depolarizer , which consists of a mixture of crushed manganese- dioxide and crushed carbon in a porous cup d . The ...
Сторінка 32
... acids and with less cost of operation ; the generator and bell being always on closed circuit , there are also fewer contacts to burn , oxidize , or in other ways cause trouble . These are some of the reasons why the 32.
... acids and with less cost of operation ; the generator and bell being always on closed circuit , there are also fewer contacts to burn , oxidize , or in other ways cause trouble . These are some of the reasons why the 32.
Сторінка 37
... . ( 3 ) When the talking circuit is in use , the receiver must be connected to the line wires , and the trans- mitter , battery , and the primary windings of the induction coil must be connected in a local closed circuit. 37.
... . ( 3 ) When the talking circuit is in use , the receiver must be connected to the line wires , and the trans- mitter , battery , and the primary windings of the induction coil must be connected in a local closed circuit. 37.
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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