Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 502
. Produce the end of the prism on plan, and assume it to be aground line, as XY. On this ground line construct a supple-mentary elevation of the two solids, and make the corners XXXV INTERPENETRATION OF SOLIDS 481 A, B, C, D of the prism the same height above XY as the corre-sponding corners in… … Fig. 274. corresponding edge of the pyramid on plan. From these fourpoints draw the lines e, f, g, and h to each side of the pyramidparallel to its base. We now have four contour lines on the pyramid at thesame levels as the edges of the prism, and where the edges meetthese contours must give the…
Geometrical drawing
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