Hallberg, Josef Henrik, 1874- · New York city, The Moving picture world · leaf 172
motor and the generatoralmost equal the loss in an ordinary rheostat which would MOTION PICTURE ELECTRICITY 165 be used to reduce the voltage. The saving would notperhaps amount to more than 15 or 20 per cent, at themost, and as such machines are very expensive, it isdoubtful if they would be… … Fiat. 98 semble the ordinary motor generator machine, are rad-ically different in both design and construction. Illus-tration Fig. 98 is a correct representation of such a directcurrent arc regulator and economizer. The most strik-ing feature of this machine as illustrated in Fig. 98 isthat no…
Motion picture theaters · Electric lighting
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