Cross, Anson K. (Anson Kent), 1862-1944, Cross, Evelyn F. [from old catalog] · Winthrop, Mass., A. K. Cross · leaf 119
table with its cover raised at any angle. Draw the book on the ILL vL Fig. 56. Glass and place the Glass, with the correct drawing, flat on atable or the floor so that you may continue all its lines until theyvanish. Retreating lines always vanish in the direction of their fartherends. The visible… … Fig. 57.—From photograph. The horizontal lines of the ends of the book vanish at a pointin HL. The oblique lines will vanish at a point directly overthis VP. in HL., Fig. 57, but if you look at this book from theopposite side the inclined lines will vanish at a point directlyunder the VP. in HL.…
Drawing · Painting
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
