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 80
convenient radius describe a semicircle cutting- CDat I and 4. From i and 4 as centers, with thesame radius, cut the semicircle at 2 and 3. FromB and through the points 2 and 3 draw the linesBG and BH; then GBH will be the requiredtriangle. To construct an isosceles triangle, with a base equalto a… … Fig. 178. Draw a line, AB, equal to the given line D. Atthe points A and B construct angles equal to thegiven angle E. Continue the sides of the anglesuntil they meet at C ; then ABC will be the re-quired triangle. 94 ROGERS DRAWING AND DESIGN. Two sides and the angle between them being givento…
Mechanical drawing · Machine design
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