Hatton, Richard G · London, Chapman & Hall ld. · leaf 255
P.2 on theright, the vanishingparallels being at rightangles. We can also Fig. 164.-Diagram Q. 9. easily find the M.P.s, and we can draw the G.L. throughthe nearest (lowest) point of the dotted plan of thepier on the right. From the dotted plan we raise four vertical lines toform the comers, and… … If not, we have to find the exact size of the semi-circle. By M.P.i we can find the size on the G.L. ofthe span. The span is the diameter of the semicircle. Solving Problems 221 We therefore readily complete it by the method seenin Fig. 165. Question 10 (April, 1901). Diagram Q. 10 give& a…
Perspective · Drawing
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