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 58
ight one.In Fig. 12 1 thelineab forms an angle of 45 degreeswith a horizontal line showing that the side of thecube of which a b is an edge is placed in a position than 45 degrees with a horizontal line. It will beobserved that the side of which a b is an edge can-not receive any direct light, as… … Fio. 120. Fig. 121.
Mechanical drawing · Machine design
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