Rogers' drawing and design; an educational treatise relating to linear drawing; machine design; working drawings; transmission methods; steam, electrical and metal working machines and parts; lathes; boiler and parts; instruments and their use; tables, etc (1913)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 63
r of heavy parallellines, Fig. 141. which does not receive any direct light. The heavylines become lighter gradually and are drawn veryfine near the midde of the cylinder; after this thelines are again dra.vn slightly heavier up to the sideof the cylinder, which is nearest to the source ofthe…
Mechanical drawing · Machine design
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