The Encyclopedia Americana: A Library of Universal Knowledge, Količina 10Americana corporation, 1931 |
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Zadetki 1–3 od 78
Stran 100
... lines in the iron . It is to be noted that if the ends of the mag- net are bent in the form of a horse - shoe , the lines will be intensified by the reduction of the air space between the poles , and as the amount of current induced in ...
... lines in the iron . It is to be noted that if the ends of the mag- net are bent in the form of a horse - shoe , the lines will be intensified by the reduction of the air space between the poles , and as the amount of current induced in ...
Stran 156
... lines at Philadelphia . The electrification of the Illinois Central sub- urban lines south of Chicago was completed in July 1926. On this road , for the first time in this country , power was supplied by mercury arc rectifiers ...
... lines at Philadelphia . The electrification of the Illinois Central sub- urban lines south of Chicago was completed in July 1926. On this road , for the first time in this country , power was supplied by mercury arc rectifiers ...
Stran 199
... lines of force which are assumed to flow from the north to the south pole of the magnet , and the iron filings , becoming temporarily magnet- ized by these magnetic lines of force , tend to set themselves parallel thereto . Similarly ...
... lines of force which are assumed to flow from the north to the south pole of the magnet , and the iron filings , becoming temporarily magnet- ized by these magnetic lines of force , tend to set themselves parallel thereto . Similarly ...
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18th century acid alternating current American ampere hours amperes ancient anode armature battery became body book of Enoch cable called carbon cathode cell cent century charge chemical Church circuit coil conductors connected consists constitution Consult copper corpuscle cylinder direct direct current discharge effect Egypt Egyptian elec electric current electric energy electrode electrolyte electromotive force employed engine England English faradic feet France French furnace German Greek heat horse power inches industry insulated iron king known lamp later Leyden jar light lines literature London machine magnetic manufacture mass material mechanical ment metal miles motor nature negative operation oxide Paris period persons plants plate pole positive pounds pressure produced Prussia resistance Saint speed steam temperature term theory tion tricity tube United usually voltage volts vote wattmeter welding wire writing York