Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 115
ly at the same distance from the V.P. as the axis ofthe cone. By the use of horizontal section planes a number of points will befound in plan, where the circular sections of the solids intersect. Their elevationsare readily discovered, and by joining the points by freehand curves, the projec-tions… … Fig. 104. sphere is at the same distance from the V.P. as the axis of the given cone, thesections the given cone and sphere make with the concentric spheres will appear inelevation as straight lines, intersecting each other in the elevations of points com-mon to their surfaces. These points may…
Geometry, Descriptive
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