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 19
Сторінка 8
... operators and others who have almost constant use for a receiver or who desire the free use of both hands while listening . As seen from the head receiver shown in Fig . 6 , it is very small and light , and is provided with a band b of ...
... operators and others who have almost constant use for a receiver or who desire the free use of both hands while listening . As seen from the head receiver shown in Fig . 6 , it is very small and light , and is provided with a band b of ...
Сторінка 131
... operator that he desires a connection with Station I shown in the diagram . The operator first pushes her master - key to the left so that it makes contact with the left - hand stop . When the plug is inserted in the jack con- nected to ...
... operator that he desires a connection with Station I shown in the diagram . The operator first pushes her master - key to the left so that it makes contact with the left - hand stop . When the plug is inserted in the jack con- nected to ...
Сторінка 132
... OPERATORS HAND GENERATOR GROUND SWITCHBOARD LINE TIP TIP SLEEVE SLEEVE GROUND STATION NO.1 GROUND STATION NO.2 FIG . 105. Bridging Two - Party - Line System Arranged for Selective Signaling Common to Operatoris Position Special ...
... OPERATORS HAND GENERATOR GROUND SWITCHBOARD LINE TIP TIP SLEEVE SLEEVE GROUND STATION NO.1 GROUND STATION NO.2 FIG . 105. Bridging Two - Party - Line System Arranged for Selective Signaling Common to Operatoris Position Special ...
Сторінка 133
... operator would connect the switchboard terminals of his line circuit with those of the calling party , thereby enabling them to converse with each other . By means of a low- resistance magnet drop connected across the line at the ...
... operator would connect the switchboard terminals of his line circuit with those of the calling party , thereby enabling them to converse with each other . By means of a low- resistance magnet drop connected across the line at the ...
Сторінка 134
... Operator's position Earth Frame Hand Generator common to Operator's position . Alternating & Pulsating Current . Station " A " Station " B " Station " C " Station " D " FIG . 106. - Exchange and Station Wiring in a Bridging Four - Party ...
... Operator's position Earth Frame Hand Generator common to Operator's position . Alternating & Pulsating Current . Station " A " Station " B " Station " C " Station " D " FIG . 106. - Exchange and Station Wiring in a Bridging Four - Party ...
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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