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 vi
... become thoroughly standardized . No partiality is shown the equipments and methods of either organiza- tion , except in so far as they are superior electric- ally , magnetically , or mechanically , or in illus- trating the points to be ...
... become thoroughly standardized . No partiality is shown the equipments and methods of either organiza- tion , except in so far as they are superior electric- ally , magnetically , or mechanically , or in illus- trating the points to be ...
Сторінка 16
... 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 the chamber containing the carbon granules is both air - tight and moisture ...
... 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 the chamber containing the carbon granules is both air - tight and moisture ...
Сторінка 20
... become standard practice to use two Fuller cells in series , or their equivalent in the other forms of batteries mentioned . The cells are connected in series by joining with a copper wire the positive plate of one cell to the negative ...
... become standard practice to use two Fuller cells in series , or their equivalent in the other forms of batteries mentioned . The cells are connected in series by joining with a copper wire the positive plate of one cell to the negative ...
Сторінка 33
... become widely used as a signal- sending and receiving device . Typical Forms of Magneto Bells are shown respectively in Figs . 21 and 23. The first one pre- sented is a Stromberg - Carlson polarized ringer wound to a resistance of 1,600 ...
... become widely used as a signal- sending and receiving device . Typical Forms of Magneto Bells are shown respectively in Figs . 21 and 23. The first one pre- sented is a Stromberg - Carlson polarized ringer wound to a resistance of 1,600 ...
Сторінка 52
... become crossed with electric- light or power circuits , the stronger current of these circuits melting the fuse wire in passing through it . The heat coil is also intended to warm up and melt out with a current of sufficient strength to ...
... become crossed with electric- light or power circuits , the stronger current of these circuits melting the fuse wire in passing through it . The heat coil is also intended to warm up and melt out with a current of sufficient strength to ...
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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