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 74
hat is, to divideit into two equal parts. Let AB be the given line, Fig. 165. // / / B ;c Fig. ]&5. From A as a center with a radius g-reater thanone-half of the given line AB, describe the arc i2, From B as a center, and with the same radius,describe an arc, cutting the former at i and 2 ;then… … Let ACB be the given angle. Fig. 166. With the vertex C as a center, and any radius,describe an arc cutting both sides of the given angleat I and 2. From i and 2 as centers, with anyradius, describe arcs cutting each other at 3. 88 ROGERS DRAWING AND DESIGN. Through this point of intersection draw…
Mechanical drawing · Machine design
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