. Electrical news and engineering . 200 six-poleWestinghouse generator. The installation was made by Abeam& Soper, of Ottawa, and makes a model (X)wer-house. The Toronto Electric Light Company have closed a contractwith the Canadian General Electric Co. for a 600 horse-powerslow-siH-ed direct-connected piiwer generator. This willbe the largest in so far for the supply of currentfor motors. CflNflDlfll-l EbECTRICflb NEWS Februar), 1896 QUESTIONS AND ANSWERS. Si-cscKiBKR, Hull, Que., asks: Can a directcurrent of electricity be alternated into a trans
. Electrical news and engineering . 200 six-poleWestinghouse generator. The installation was made by Abeam& Soper, of Ottawa, and makes a model (X)wer-house. The Toronto Electric Light Company have closed a contractwith the Canadian General Electric Co. for a 600 horse-powerslow-siH-ed direct-connected piiwer generator. This willbe the largest in so far for the supply of currentfor motors. CflNflDlfll-l EbECTRICflb NEWS Februar), 1896 QUESTIONS AND ANSWERS. Si-cscKiBKR, Hull, Que., asks: Can a directcurrent of electricity be alternated into a transformerso that it will act on same like a current from an alter-nating machine ? I mean a machine to change the di-rection of the direct current into the transformer ; abovemachine, or a reserver, to be run by a belt. Answer.—Your question is asked in two parts :First, a direct current cannot be so acted upon by anytransforming- device as to change its pressure into onehisrher or lower, as is done with the alternating Valves of Wheelock Engine. Second, the nature of a direct current cau be so alteredbv an appropriate device, that this altered current maybe passed through a transformer, with the familiar re-sult. This is actually done in several electro-medicalappliances, and in the familiar electric machine oftenseen at fairs and exhibitions, where an electric shockis administered for 5 cents. In this machine the directcurrent generated by an ordinary battery is sent throughthe primar\- of a Ruhmcorff coil (which is nothing moreor less than a transformer), and while it is flowing itsets in automatic action a vibrating tongue, which ac-tuallv forms part of the circuit ; this tongue, in vibrat-ing, opens and closes with extreme rapidit) the primarycircuit ; and thus produces the rapidly varying inductionin that primarv circuit which is the necessary conditionbefore it can affect the secondary circuit. There is nomachine for effecting this rapid reversal of current,thro
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