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)
—Any re»-tangular object may be put in perspective by this method,without the necessity of drawing a geometrical plan, as the dimensions mayall be laid off on the. giound line by any scale of equal parts. Figure 3. To shorten the depth of a perspective draiving, thereby producingthe same effect as…
