Mechanical drawing for industrial and high schools (1917)
Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 11
Fin. (not corner), and cut away the wood in the manner shown in theillustration. Fig. 2, baring about 5 inch of the lead. … Fig. 3. . To sharpen the lead, slide it back and forth along the file, form-ing a chisel-like point. The round point is used in setting off dimensions and for liningin all the finished lines of the drawing, while the flat point is usedmainly for light, thin construction lines, center lines, etc.…
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
