A text book of geometrical drawing : abridged from the octavo edition : for the use of schools in which the definitions and rules of geometry are familiarly explained, the practical problems are arranged from the most simple to the more complex, and in their description technicalities are avoided as much as possible : with an introduction to isometrical drawing : and an essay on linear perspective and shadows ... (1849)
l, and from D to intersect W. Xy and erect the per-pendiculars as shewn by the dotted lines. 3rd. From JVand JV, draw lines to define the bot-tom shadow, and at L draw a line at the same angleto touch the curve. 4th. At the same angle draw F. G, make F. H equalto the depth of the panel, and F. G…