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 36
Сторінка 1
... shows one of these magnet telephones at A. The principal parts are : a permanent bar magnet ns , a coil of insulated wire c mounted on one end of ns , and a thin iron diaphragm or disk e supported in front of the magnet . The Principle ...
... shows one of these magnet telephones at A. The principal parts are : a permanent bar magnet ns , a coil of insulated wire c mounted on one end of ns , and a thin iron diaphragm or disk e supported in front of the magnet . The Principle ...
Сторінка 5
... shows a standard receiver of this form . As its name im- plies , the magnet has two poles presented to the diaphragm ; it is of horseshoe shape , the pole tips s and s being bolted to the legs n and n of the magnet and carry the coils o ...
... shows a standard receiver of this form . As its name im- plies , the magnet has two poles presented to the diaphragm ; it is of horseshoe shape , the pole tips s and s being bolted to the legs n and n of the magnet and carry the coils o ...
Сторінка 8
... holds the receiver against the ear . Fig . 7 shows the interior construction , which differs from other receivers only in that the body of the instrument , and therefore the magnet , are shorter . The case is usually of brass or alumi- 8.
... holds the receiver against the ear . Fig . 7 shows the interior construction , which differs from other receivers only in that the body of the instrument , and therefore the magnet , are shorter . The case is usually of brass or alumi- 8.
Сторінка 13
... shows the side and back of the transmitter at A and B , 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 ...
... shows the side and back of the transmitter at A and B , 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 ...
Сторінка 14
... shows a side view and a 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 ...
... shows a side view and a 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 ...
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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