[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 236
ctedto a high potential test of 4000 volts, and thatbetween adjacent segments, to 400 volts alternat-ing current. Brush Holders.—The two brush holders are ofcast brass, and are clamped to a hardwood yokewhich is bolted to the top of the magnet frame, andcan be removed through the opening in the… … RECENT APPLICATIONS. 235 All leads from the motor to the cable arebrought out at the front of the motor throughrubber bushed holes in the magnet frame. Gearing.—The pinion is of steel, and is boredto a taper fit on the shaft. The gear also is ofsteel, and gear and pinion have a 4i face and No.3…
Electricity
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