Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 100
. to both planes. Fig. 119 shows the projections; further explanations areunnecessary. PROB. 9, Figs. 119 AND 120.—To draw the projections of ORTHOGRAPHIC PROJECTION 85 the same plane surface when making compound angles withthe planes of projection. Let the plane make an angle of 300 with H.P., as… … Fig. 119. Fig. 120. Its elevation will be the straight line avbv parallel to I.L.Next revolve avbv, using av as a pivot, through an angle of300, to the position avb?, which is its vert. proj. when makingan angle of 300 with H.P. Its plan is projected in cfb^d*. Now as the plane is still to make an…
