Teachers' manual for the Prang course in drawing for graded schools, books 1-6 (1897)
Clark, John Spencer, Prang Company, Hicks Mary D, Perry, Walter Scott · Boston. Prang educ. co. · leaf 99
ntal edges receding from the eye appear to converge to a pointon the level of the eye, and tnust be drawn so that, if produced, they will meet in apoint on the level with the eye (Z. of £.). L.oiE. V? Parallel horizontal edges receding to the left appear to converge to a point on thelevel of the… … For rectangular objects standing with side faces turned equally away, the vanish-ing points are equidistant from the object. The farther vertical edges appear shorter than the nearer, and should be so drawn. For rectangular objects standing with side faces turned unequally away, V. P. Iand V. P. 2…
Drawing -- Study and teaching
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