Emerson's power scales, or dynamometer
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Jesse H. Lord
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Article
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1882
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Elsevier Science
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English
β 252 KB
A number of attenlpts have been made to construct a power measurer which should give absolute results in foot-pounds; but most of them had some inherent defect, either in construction or application. Some' have depended upon springs for efficiency, others have been intended for fixtures; most of the