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 66
s not include any very heavy lines ;larger scale drawings require the use of very heavyshading lines. In ordinary working drawings shading is, as arule, but very little employed ; it is, however, some-times done to shade the surface of shafts and evenbolts as well as other cylindrical parts of… … Fju. ir,:;.
Mechanical drawing · Machine design
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
