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 116
Fig. 4 represents the lower half of a beam formed of riyetedplate and angle irons. CONSTRUCTIONS IN METAL. 63 … Fig. 10.
Geometrical drawing · Mechanical drawing
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