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 74
s. JS^ote.—^The second method is useful when the diameters of the circlesare nearly equal. Prob. XXII.—Between tico inclined lines to draio a series of circlestouching these lines and touching each other i^g. 112). Bisect the inclination of the given lines A B, C D, by the line ^N O ;this is the… … Fig. 112. line at E ; from E draw E F per-pendicular to the centre line, cut-ting A B at F, and from F describean arc E G, cutting A B at G;draw G H parallel to B P, giving H the centre of the second touchingcircle, described with the radius H E or H G. By a similar process thethird circle I ]N is…
