Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 94
ntil it coincides with the H. P. The hor. proj. ORTHOGRAPHIC PROJECTION. 79 will then appear at ah above the I.L. and the vert. proj. at avbelow the I.L., Fig. no. And so with the lines, the planes,and the solids. K dK K a a 11 C \ r. c -b x U v a a> Fig. iio. In order to still further explain… … Fig. hi. With a little attention it will easily be discerned that thepyramid is situated in the third dihedral angle, and that inaddition to the V. and H. planes, we have passed two profileplanes at right angles to the V. and H. planes, one at the right-hand and one at the left. When the pyramid is…
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