Tunzelmann, George William von, 1856- · New York, Scribner & Welford · leaf 262
otor driving oneof the fans now soextensively used forventilating ships,factories, mines,etc. For drivingventilators and other machinery inmines the electro-motor is especiallyvaluable, as it doesaway with the driv-ing rods and othermoving gear, whichhas always been asource of troublein the shaft… … 242 ELECTRICITY IN MODERN LIFE. such of my readers as may be amateur mechanics will easilyperceive what an advantage it would be to be able todrive their lathes or other machineryby means of a small motor whichcould be set in action in a momentby simply inserting a pair of contactplugs into a shoe,…
Electric industries · Electricity
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