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 27
Сторінка 11
... conductor o to the right - hand side of the carbon block s , thence through the carbon to the uninsulated side and out through the bolt d , chamber h , and binding post v , which is in electrical contact with h . Sound waves entering ...
... conductor o to the right - hand side of the carbon block s , thence through the carbon to the uninsulated side and out through the bolt d , chamber h , and binding post v , which is in electrical contact with h . Sound waves entering ...
Сторінка 32
... Conductors sliding on a pair of 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 ...
... Conductors sliding on a pair of 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 ...
Сторінка 42
... bases and cov- ered with hot bees - wax to exclude moisture . The conductors leading to the line wires are con- nected respectively to the binding posts 1 and 3 ,. FIG . 31. - A Solid - back Wall Set FIG . 33. - Lightning Arrester. 42.
... bases and cov- ered with hot bees - wax to exclude moisture . The conductors leading to the line wires are con- nected respectively to the binding posts 1 and 3 ,. FIG . 31. - A Solid - back Wall Set FIG . 33. - Lightning Arrester. 42.
Сторінка 43
... conductors , separately insulated with a rubber covering and together overlaid with strong worsted or silk braid . These conductors generally termi- nate in solid tips , and the braid is usually extended to connect either with the case ...
... conductors , separately insulated with a rubber covering and together overlaid with strong worsted or silk braid . These conductors generally termi- nate in solid tips , and the braid is usually extended to connect either with the case ...
Сторінка 44
... conductors . Two cells of battery o , the trans- mitter t , and the primary winding of the induction coil i are wired to the binding posts 6 and 7 while the switch arm s and the secondary winding of the induction coil i are connected ...
... conductors . Two cells of battery o , the trans- mitter t , and the primary winding of the induction coil i are wired to the binding posts 6 and 7 while the switch arm s and the secondary winding of the induction coil i are connected ...
Інші видання - Показати все
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