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Common terms and phrasesadjusted amperemeter amperes apparatus armature arrangement attached battery called candles carbon button carbon telephone caused cells chemical Chicago circuit commutator conductor connected constructed copper current of electricity cylinder device diaphragm discovery discs disk dynamo elec electric current electric light Electric Pen electro-magnet energy engine experiments filament foil force fork galvanometer give glass heat incandescent induction coil instrument insulated invention inventor iridium iron lamp lever machine magnet magnetic potential means mechanism Menlo Park ment metal miles motion mouth-piece needle ohms operation ordinary paper pass patent phonograph piece placed plate platinum plumbago poles Port Huron pressure produced quadruplex receiving record relay reproduce resistance revolve rheostat says screw sound spiral standard candles substance talk tasimeter telegraph temperature terminal stations tin-foil tion transmitting tricity tube turned unit vibrations voice Wheatstone Bridge wire wonderful young Edison Bibliographic information
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