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 175
g board asalready explained. Find the center of the sheet and draw fine pencillines to represent the lines DE and HK of Fig. 38. Also draw theborder lines L, M, N, and P. Now measure f inch above and below the horizontal center lineand, with the T-square, draw lines through these points. Theselines… … 96 MECHANICAL DRAWING 31 of the vertical center line; and through these points, draw lines parallelto the center line. These lines should be drawn by placing the triangleon the T-square as shown in Fig. 38. The lines thus drawn, form thesides B C oi Fig. 1 and Fig. 3 and the sides A D oi Fig. 2 and…
Mechanical drawing · Blueprinting
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