Account of a New PendulumBy George Fordyce, MDFRS.; Being the Bakerian Lecture . rface or surfaces necessarily slide overone another; whenever this happens, if heat, by expanding oneof the bodies, is to make its surface slide over the other, it hastwo things to accomphsh, to overcome the visinsita of the mat-ter, and the attraction of the two surfaces to one then there is heat enough applied just-to overcome thevis insita, it would not be sufficient to overcome the attractionlikewise, excepting the matter was infinitely hard and ine-lastic. Although the heat therefore be increased


Account of a New PendulumBy George Fordyce, MDFRS.; Being the Bakerian Lecture . rface or surfaces necessarily slide overone another; whenever this happens, if heat, by expanding oneof the bodies, is to make its surface slide over the other, it hastwo things to accomphsh, to overcome the visinsita of the mat-ter, and the attraction of the two surfaces to one then there is heat enough applied just-to overcome thevis insita, it would not be sufficient to overcome the attractionlikewise, excepting the matter was infinitely hard and ine-lastic. Although the heat therefore be increased,, the com-pensating parts at first do not move so much as to overcomeboth these resistances, afterwards the parts jerk on suddenly,and in many cases go beyond what they otherwise would havedone. As none of the expanding parts are to slide upon oneanother in Mr. Arnolds compensation, and there is a time inevery vibration, in the apparatus above described, when noneof the expanding parts slide over any thing, this disadvantageis avoided. FJdlos. Tram. MP C CXCB^ Tad, , Fhll€?^.T9a?7^.MJ3 CQUGW. ^.philtrans08699108


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Keywords: ., bookcentury1700, bookdecade1790, booksubjectproceedingsoftheroya