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)
e so as to convey to theeye the apparent shape or figure of each object fromthe point at which it is viewed. 25th. Aerial perspective teaches the mode ofarranging the direct and reflected lights, shades andSHADOWS of a picture, so as to give to each part itsrequisite degree of tone and color,… … ^s 1 s
