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 321
dges of the bases. 165 MECHANICAL DRAWING It is an invariable rule that when such a solid is1 cut by a plane parallel to its base, the section is a figure of the same shape as the If then in Fig. 134 a right cone is intersected by a plane parallel to the base the section must be a circle, the… … Fig. 135. Intersection of Planeand Square Pyramid Fig. 136. Intersection of Planeand Hexagonal Pyramid The intersections are found, however, in exactly the same manneras in the previous figures, by projecting the points where the planeintersects the edges in elevation, on to the other view of…
Mechanical drawing · Blueprinting
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