. An Experimental Enquiry concerning the Natural Powers of Water and Wind to Turn Mills, and Other Machines, Depending on a Circular Motion. By Mr. J. Smeaton, F. R. *»S: 3575:975:1221 u< 121:122. l86}2^:332::54« -704 i8« 38:39 *8c \Z2*: 2^2:: 31? : 5^4 MMMMMM 534}3°7:36o:*4SO:s31 2l4 1*8 : 17 3 J* 178:177 —WW—?»?? — *?« ^ ? ? ? Hence [»7] Hence therefore, in comparing different experi-ments, as fome fall fihort, and others exceed themaximum, and all agree therewith, as near as canbe expected, in an affair where fo many differentcircumftances are concerned; we may, according tothe laws


. An Experimental Enquiry concerning the Natural Powers of Water and Wind to Turn Mills, and Other Machines, Depending on a Circular Motion. By Mr. J. Smeaton, F. R. *»S: 3575:975:1221 u< 121:122. l86}2^:332::54« -704 i8« 38:39 *8c \Z2*: 2^2:: 31? : 5^4 MMMMMM 534}3°7:36o:*4SO:s31 2l4 1*8 : 17 3 J* 178:177 —WW—?»?? — *?« ^ ? ? ? Hence [»7] Hence therefore, in comparing different experi-ments, as fome fall fihort, and others exceed themaximum, and all agree therewith, as near as canbe expected, in an affair where fo many differentcircumftances are concerned; we may, according tothe laws of reafoning by indu&ion, conclude themaxim true $ viz. that the effe&s are nearly as thequantity of water expended. Maxim II. That the expence of water being thefame, the effeB will be nearly as the height of thevirtual or effe&ive head. This alfo will appear by comparing the contentsof columns 4, 8, and 10, in any of the fetts of ex-periments. Example ift> of N°. 2. and N°. 24. viz. N3. Expence. Effifea. a I5 264,7 *266 Now as the expences are not quite equal, we muftproportion one of the cfieds accordingly: thusby maxim ift, : 264,7 ::


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Keywords: ., bookcentury1700, bookdecade1750, booksubjectproceed, bookyear1759