Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 23
nted in the drawing. This destroys the1 pictorial effect, but it makes_the_draffiingjnore useful for sjteuc-turaTpuiposes. SItEough there are several methods of pro-jection drawing, only thetwo most usual ones (ortho-graphic and isometric), willbe considered Tiere. Isometric projection (seeFig. 6)… … FiG. 5 Perspective. mensions (oneTaceT^oTan object on a single drawing! At leasttwo, usually three, and often more, such drawmgs are neededfully te describe anobject. However, of such drawingsand the rapidityand^eagigiSIfivHchthey can-be made,render,_ths.m_ farmore _use£ul~~thaii...isometric or…
Geometry, Descriptive
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