Kushlan, Max. [from old catalog] · Chicago, The Branch publishing company · leaf 9
f:/<f 7, i^^Qi-e … ^fsS- BjJM^hQl Tfi^hj/e FREE HAND DRAWING 5 slight pressure on the pencil, so that the result is asmooth even line of uniform thickness. No instru-ments should be used except once in a great while forchecking the work already drawn free-hand, and thenthe corrections should never be made by the aid…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
