A text book of geometrical drawing, for the use of mechanics and schools, in which the definitions and rules of geometry are familiarly explained (1849)
on of the upper edge of the under fillet.2nd. Through D, draw D, H perpendicular to B, Hy cutting the tangent B, C in C3rd. Through B, draw B. G parallel to D. H, and through 2), draw D. E parallel to H. B, cutting G. B in E,4th. Make E. G equal to E, B, and E. F equal to H, C, join D. F.5th.… … Fig.l.
