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 395
a circle, of which the radii areequal to the breadth of the arch. The radii of the lancet segment arelonger than the width of the arch, and of the obtuse, shorter. Of the complex arches, there is the Ogee (fig. 90), and the Tudor (fig.92). The Tudor arch is described from four centres, two on a…
