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 245
of the bases. 165 100 MECHANICAL DRAWING It is an invariable rule that when such a solid i^ cut by a planeparallel to its base, the section is a figure of the same shape as thebase. If then in Fig. 134 a right cone is intersected by a planeparallel to the base the section must be a circle, the… … Fig. 135. Intersection of Planeand Square Pyramid
Mechanical drawing · Blueprinting
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