Babbit, Arthur B · New York, H. Holt and company · leaf 194
To draw a perpendicular toa line from a point outside ofand near the center of theline—With the given pointA as a center with any ra-dius, draw arc 1, intersect-ing the given line at B andC. With points B and Cas centers and equal radii,draw arcs 2 and 3, inter-secting at D. The line AD is the… … To draw a line through agiven point parallel to agiven line—With the givenpoint A as a center withany radius, draw arc 1, in-tersecting the given line atB. With B as a center withthe same radius, draw arc2 through A intefrsectingthe given line at C. Witha radius equal the distance 184 MECHANICAL…
Mechanical drawing
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