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 14
Сторінка 4
... connected to the binding posts m and o by No. 18 or 20 B. & S. gage cotton - covered copper wire which is soldered to them . The mag- net should have sufficient power to hold a weight of 16 ounces . The diaphragm i is of soft.
... connected to the binding posts m and o by No. 18 or 20 B. & S. gage cotton - covered copper wire which is soldered to them . The mag- net should have sufficient power to hold a weight of 16 ounces . The diaphragm i is of soft.
Сторінка 6
... soldered to and connect the magnet windings with the inner parts of the bind- ing posts c and c . The diaphragm is of ferro- type metal ( a species of soft iron ) No. 31 B. W. G. , 0.01 inch thick , 24 inches in diameter over all , with ...
... soldered to and connect the magnet windings with the inner parts of the bind- ing posts c and c . The diaphragm is of ferro- type metal ( a species of soft iron ) No. 31 B. W. G. , 0.01 inch thick , 24 inches in diameter over all , with ...
Сторінка 15
... soldered to their 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 ...
... soldered to their 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 ...
Сторінка 25
... soldered to the copper extends up through the cell , forming one of its terminals . The negative zinc plate is cast with projecting fingers as shown at z , and on account of its general resemblance to a crow's foot this cell is ...
... soldered to the copper extends up through the cell , forming one of its terminals . The negative zinc plate is cast with projecting fingers as shown at z , and on account of its general resemblance to a crow's foot this cell is ...
Сторінка 29
... soldered throughout its length over the plate . The plate should be surrounded on each side with a thin layer of crushed coke or charcoal about pea size to protect it against corrosion from too direct contact with the earth . Grounded ...
... soldered throughout its length over the plate . The plate should be surrounded on each side with a thin layer of crushed coke or charcoal about pea size to protect it against corrosion from too direct contact with the earth . Grounded ...
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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