Blueprint reading; a practical manual of instruction in blueprint reading through the analysis of typical plates with reference to mechanical drawing conventions and methods, the laws of projection, etc (1919)
Fairfield, Howard Parker, 1858-, Kenison, Ervin, Waite, Edward B. (Edward Broughton), 1873-, American Technical Society · Chicago, American technical society · leaf 180
f lines F andL. Similarly draw D J, J C, CI, and I B. Also connect the points0, P, J, and I, thus forming a square. The four diamond-shapedareas are formed by drawing lines from the middle points of A D,AB,BC, and D C to the middle points of lines AP,AO,0 B,I B,etc., as shown in Fig. L Fig. 2 is an… … 101 36 MECHANICAL DRAWING G B, etc., into four equal parts—each \ inch—and draw light pencillines with the T-square and triangle as shown. In Fig. 3, divide A D and A B into eight equal parts, and throughthe points 0, P, Q, H, I, J, etc., draw horizontal and vertical lines.Now draw lines connecting…
Mechanical drawing · Blueprinting
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