Cane sugar; a textbook on the agriculture of the sugar cane, the manufacture of cane sugar, and the analysis of sugar-house products . , m be \\Titten for—, and if R be put equal to (i), this equation reduces to log r = or y = e* .. .. .. (3) The equation (3) is none other than that of the logarithmic spiral wheree is the base of the natural system. This curve has the property that the radius vector always makes with the tangent a constant angle; thus the anglea is constant. Now (see Fig. 104),.

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsugar, bookyear1921