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 60
FlG. 121. point in the center and without changing the radiusput the pen point in motion in the direction of thepart of the circumference to be shaded. The pres-sure upon the pen is gradually increased as it ap-proaches the heaviest part of the shade line andthen gradually diminished. Figs. 125 and… … FiQS. 125 AND 126. shaded, which is done by shifting the center in theopposite direction. 72 ROGERS DRAWING AND DESIGN. In order to make the conventional way of puttingin shade lines more easily understood, a few illus-trations are added for the benefit of the student. In Fig. 127, the position of…
Mechanical drawing · Machine design
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