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Journal - Franklin Institute of the State of Pennsylvania (1826)

Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 446

An illustration from Journal - Franklin Institute of the State of Pennsylvania, 1826, leaf 446
machine and partly as shuntmachine. I have already explained to you that when we have a shunt-wound machine the electro-motive force gradually diminishes as weput in more lamps; and I have shown that in the series machine theelectro-motive force gradually increases as we reduce the resistance… … Compound. Series. Slniut. Current In workin<? circuit. Fig. 18.—Showing relative advantafjre of compound winding Inmaintaining the electro-motive force constant when tlie current ischanged, vary in so great a degree. Thus wc are able to get by a pro})er adjust-ment a perfect equality or…

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