Note 88 — Chapter XVII
Reading edition
Quantity of curvature is as measurable as quantity of anything else; only observe that it depends on the nature of the line, not on its magnitude; thus, in simple circular curvature, a b, Fig. 96, being the fourth of a large circle, and b c the half of a smaller one, the quantity of the element of circular curvature in the entire line a c is three fourths of that in any circle,—the the same as the quantity in the line e f.