Telephone Construction, Installation, Wiring, Operation and MaintenanceN.W. Henley Publishing Company, 1914 - 223 стор. |
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Результати 6-10 із 35
Сторінка 30
... placed in the porous cup with the zinc , for amalgamation ; that is , the mercury combines with the zinc and eats the impurities from its sur- face , causing the zinc to present a clean surface to the acid . The binding screw m ...
... placed in the porous cup with the zinc , for amalgamation ; that is , the mercury combines with the zinc and eats the impurities from its sur- face , causing the zinc to present a clean surface to the acid . The binding screw m ...
Сторінка 33
... placed in the jar . After water has been poured on them to within an inch of the top of the jar , and they have been dissolved by stirring , the remainder of the sticks may be added and the solution stirred as before . In wiring up the ...
... placed in the jar . After water has been poured on them to within an inch of the top of the jar , and they have been dissolved by stirring , the remainder of the sticks may be added and the solution stirred as before . In wiring up the ...
Сторінка 34
... placed over the wire and firmly bolted to the pipe . Another method consists of burying in moist earth below the frost HU a FIG . 19. - A Grounded Telephone Circuit for Transmit- ting in Both Directions line , that is , 5 or 6 feet ...
... placed over the wire and firmly bolted to the pipe . Another method consists of burying in moist earth below the frost HU a FIG . 19. - A Grounded Telephone Circuit for Transmit- ting in Both Directions line , that is , 5 or 6 feet ...
Сторінка 40
... placed to make it operate on a positive or a negative current . A Typical Form of Magneto Generator is shown in Fig . 24. This 3 - magnet Acme generator will be readily understood from the general descrip- tion previously given . At the ...
... placed to make it operate on a positive or a negative current . A Typical Form of Magneto Generator is shown in Fig . 24. This 3 - magnet Acme generator will be readily understood from the general descrip- tion previously given . At the ...
Сторінка 54
... placed with the head c at the entrance hole , affords excellent protection for the wires through walls and other partitions ; continuous flexible tubing or conduit is next best ; but if neither tube nor tubing is avail- FIG . 37 ...
... placed with the head c at the entrance hole , affords excellent protection for the wires through walls and other partitions ; continuous flexible tubing or conduit is next best ; but if neither tube nor tubing is avail- FIG . 37 ...
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Telephone Construction: Installation, Wiring, Operation and Maintenance ... William Hiram Radcliffe Попередній перегляд недоступний - 2015 |
Telephone Construction: Installation, Wiring, Operation and Maintenance ... William Hiram Radcliffe Попередній перегляд недоступний - 2017 |
Загальні терміни та фрази
alternating current ampere armature automatic binding posts bolt brace called cents clamp complete metallic circuit Concrete conductors conduit connected construction containing copper copper wire cord cross-arms desk set diaphragm distributing board Dry cells electrical electromotive force exchange switchboard extension bell fastened feet fully illustrated gage gas engines gear ground heat coil HISCOX hole hook switch inches induction coil installation insulated iron wire jack lamp Leclanché cell lightning arrester line circuit line drop line wires machine magnet magneto bell mechanical method mounted O'CONOR SLOANE ohms operator operator's pair party party-line systems pipe placed plate plug pole position practical primary winding Protective Apparatus receiver resistance ringing key rope rubber screw sheath shown in Fig shows shunt side signal sleeve soldered spring steam steel storage battery switch arm tele Telephone Circuit telephone set terminals Testing tion transmitter usually wall set zinc
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