[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 56
tance, by having several wires inparallel, the effect as to the resistance being prac-tically the same as if the several wires were com-bined in one. At the ends the wires are insulatedfrom the core by discs of vulcanized fibre with pro-jecting teeth. The discs of the core are bolted 54 ELECTRICITY… … EDISON DIRECT CURRENT DYNAMO. layers of wire being placed between each two strips.This arrangement is to give a more perfect con-nection, and to prevent sparking by furnishing RECENT APPLICATIONS. 55 numerous points of contact, the copper stripsconfining the wire and making the brush morecompact.…
Electricity
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