Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 22
t be considered in connection with thesurface of the paper. For freehand drawing a medium softpencil should be used on a slightly grained surface. A soft pencil PERSPECTIVE SKETCHING 17 is more easily controlled, and consequently there is more freedomin drawing lines with it than can be secured… … Fig 6. Sharpening the Pencil. Whittling Away the Wood
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
