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 313
n at an angle of 30 degrees,,«>\vn in Fig. 127. The distances above the ground line to anypoints in the top view arc not altered, and the distances of the variouspoints can be taken on the lines projected up from the points of thefront view with a pair of dividers, or the points can be… … Fig. 126. Plan, Front and Side Views after Revolving Pyramid in Fig. 125through 30 Degrees with Vertical Plane the usual way, by projecting across from the front view, and revolv-ing down from the plane at right angles to the horizontal and verticalplanes the points projected across from the top…
Mechanical drawing · Blueprinting
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