Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 128
ows: Through the points AVBV draw the rays AvAlv and BVBXVto intersect the plane of projection in G.L. in the points A*and Bxv\ from these points drop perpendiculars to meet raysdrawn through AH and BH in the points A* and BXH. A linedrawn from A/1 to BXH is the shadow of AB on H.P. If a right line… … Fig. 156. PROB. 28 —To find the shadow of a right line on V.P.and H.P: Let AB, Fig. 157, be the given line. Find the shadows