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)
h. Draw the diagonals J. F, F. /, &c. as shewn in the diagram, and from their intersection erect perpendiculars to meet P. S; through which point and the intersections of the diagonals with C. S trace the curves. Figure 2. To draw Receding Arches on the Vanishing Plane J. S. D, loithPiers… … S -. s vU - 0^-, -^-T Fuj. :\
