Appleton's cyclopædia of drawing, designed as a textbook for the mechanic, architect, engineer, and surveyor (1866)
Worthen, William Ezra, 1819-1897, [from old catalog] ed, Appleton, firm, publishers, New York. (1866. D. Appleton & co.) [from old catalog] · New York, D. Appleton and company · leaf 563
Fig. 34. … Fig. 35. Fig. 35 represents a plot of a railway line; in this plot the curve isrepresented as a straight line, the radius of curvature being written in.This method is sometimes adopted when it is desirable to confine the plotwithin a limited space upon the sheet, and it is convenient when…
