Elementary projection drawing. Theory and practice. For preparatory and higher scientific schools, industrial and normal classes; and the self-instruction of teachers, inventors, draftsmen, and artisans. In six divisions .. (1880)
Warren, S. Edward (Samuel Edward), 1831-1909 · New York, J. Wiley & sons · leaf 248
WOODEK STRUCTURES. 149 the sides of timbers as seen on a newly-planed board, the ends oflarge timbers in rings and radial cracks, and the ends of planksin diagonal straight lines. See also the figures at y, where thelines of graining outside of the knots, are to extend throughoutthe tie beam. d.…
Geometrical drawing · Mechanical drawing
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