. The street railway review . go an article appeared in oneof tlie electrical papers, by Prof. Shepardson, on this subject,charging the traveling electrical engineer with narrow-mindedness and so-called business secrecy. Not being nowconnected with any street car motor manufacturer, I take thisopportunity to defenil the poor traveling engineer, whoseduties are not the most charming ones. I do not desire to extent, if iron is placetl in the path of these lines, (Fig. 2,) andif this iron is now allowed to move freely, then the lines offorce, in the endeavor to shorten, attract the iron as in Fig
. The street railway review . go an article appeared in oneof tlie electrical papers, by Prof. Shepardson, on this subject,charging the traveling electrical engineer with narrow-mindedness and so-called business secrecy. Not being nowconnected with any street car motor manufacturer, I take thisopportunity to defenil the poor traveling engineer, whoseduties are not the most charming ones. I do not desire to extent, if iron is placetl in the path of these lines, (Fig. 2,) andif this iron is now allowed to move freely, then the lines offorce, in the endeavor to shorten, attract the iron as in Fig. an electric motor, we have a similar condition, varying onlyin the one point, that the piece of iron instead of moving lat-erally towards the poles, is pivoted or supported on an axle soas to be able to change its position. In either case we havetwo magnets. Returning once more to Fig. 2, we see thatthe iron piece, by virtue of being under the influence of thehorseshoe magnet becomes a bar magnet, and similarly in
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
