Excerpt from The Elements of Drawing, in Its Various Branches, for the Use of Students: Illustrated by Fifty Engravings, Plain and Coloured, Containing Several Hundred Examples, From the Works of the Greatest Masters How vague are our Conceptions bf things before We have had occasion to draw their outline, Shadow therfr, and colour ther'r'x Drawing-igflin - l'a t, a univlersal lan intelligible to and in its exercise teac'h ing universal...