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 30
Сторінка viii
... and towns , while the latter have exerted their efforts chiefly in devel- oping trade in villages and smaller cities throughout the United States . CONSTRUCTION , OPERATION , AND INSTALLATION OF TELEPHONE INSTRUMENTS The viii.
... and towns , while the latter have exerted their efforts chiefly in devel- oping trade in villages and smaller cities throughout the United States . CONSTRUCTION , OPERATION , AND INSTALLATION OF TELEPHONE INSTRUMENTS The viii.
Сторінка 14
... latter as a damper to check the vibrations of the diaphragm as soon as they have served their purpose so that they will not interfere with those following . For this reason , the end of the spring f , which presses upon the diaphragm ...
... latter as a damper to check the vibrations of the diaphragm as soon as they have served their purpose so that they will not interfere with those following . For this reason , the end of the spring f , which presses upon the diaphragm ...
Сторінка 15
... latter together with a mica washer ii forming one side of the chamber , and the former a portion of the other d B k s r u S m bi e V m r n A r side . These blocks are electroplated and soldered to their respective holders . The ...
... latter together with a mica washer ii forming one side of the chamber , and the former a portion of the other d B k s r u S m bi e V m r n A r side . These blocks are electroplated and soldered to their respective holders . The ...
Сторінка 16
... latter give but little trouble by caking or " pack- ing " because they do not become much heated by the current , owing to there being space above and below the locks in which they can expand ; the transmitter case is very small ; and ...
... latter give but little trouble by caking or " pack- ing " because they do not become much heated by the current , owing to there being space above and below the locks in which they can expand ; the transmitter case is very small ; and ...
Сторінка 19
... latter the secondary terminals . The coil itself is covered with bookbinders ' cloth as a protection from moisture . The Battery . - Telephone work for the purposes considered in this book requires the use of pri- mary batteries ; in ...
... latter the secondary terminals . The coil itself is covered with bookbinders ' cloth as a protection from moisture . The Battery . - Telephone work for the purposes considered in this book requires the use of pri- mary batteries ; in ...
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