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 17
Сторінка 13
... respectively . The carbon is in the form of a button r and is mounted in a case m supported by a steel . spring s . A platinum ball c is supported between the carbon button and the diaphragm n , the 1 -u k a r n V B W M X f 10 A W B FIG ...
... respectively . The carbon is in the form of a button r and is mounted in a case m supported by a steel . spring s . A platinum ball c is supported between the carbon button and the diaphragm n , the 1 -u k a r n V B W M X f 10 A W B FIG ...
Сторінка 14
... back view of this transmitter at A and B , respectively . The outer case s is of metal , shaped much in the form of an electric bell gong . To this is attached a metal cover rr containing the mouthpiece . The granulated car- bon can be 14.
... back view of this transmitter at A and B , respectively . The outer case s is of metal , shaped much in the form of an electric bell gong . To this is attached a metal cover rr containing the mouthpiece . The granulated car- bon can be 14.
Сторінка 15
... respective holders . The remaining parts of the inner walls of the chamber mn are lined with varnished paper . The support of the carbon block consists of a disk - shaped piece of brass o , which , by means of the bolt y , is held ...
... respective holders . The remaining parts of the inner walls of the chamber mn are lined with varnished paper . The support of the carbon block consists of a disk - shaped piece of brass o , which , by means of the bolt y , is held ...
Сторінка 33
... respectively in Figs . 21 and 23. The first one pre- sented is a Stromberg - Carlson polarized ringer wound to a resistance of 1,600 ohms . Adjustment of the armature with respect to the poles is secured , 200 1000 OHM . as shown in Fig ...
... respectively in Figs . 21 and 23. The first one pre- sented is a Stromberg - Carlson polarized ringer wound to a resistance of 1,600 ohms . Adjustment of the armature with respect to the poles is secured , 200 1000 OHM . as shown in Fig ...
Сторінка 41
... respectively off or on the hook h , is already familiar to the reader . The hook switch . is usually of brass , nickel - plated , and the springs are of steel with platinum tips . Platinum tips are employed because they do not corrode ...
... respectively off or on the hook h , is already familiar to the reader . The hook switch . is usually of brass , nickel - plated , and the springs are of steel with platinum tips . Platinum tips are employed because they do not corrode ...
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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