Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 444
ess. The machine which illuminates this hall is one with ashunt. It is the large Edison machine. This machine will not showthe effect very much, because the armature of that machine is made of Dec, 1884.] Dynamo-Electric Machinery. 421 very low resistance, and it is only lighting 300 lamps instead… … Fig. 10.—Hand Gramme macliine. I will now put out the lights in succession, and leave these twolamps to be last put out. You will notice that there is a slight increasein the brightness of tiie la.st two lights; it remains with you to noticethat the change is very slight indeed. This illustrates…
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