Young, George, jr, Baxter, Hubert Eugene, joint author · New York, The Macmillan Co. · leaf 22
ometric Projection Fig. 6 For a more extended treatment of isometric projection and other similarmethods, see Chapter XIII. I, §3] PURPOSE AND SCOPE ings have been used, in general, though CavaKer projectionsor perspective drawings have been substituted in a few cases. 3. The Theory of Plan Drawing… … OrthographicFig. 7 Projec-tcon bounding lines. Any line is determined by any two of itspoints. Hence the size and shape of any object are fixed by theinterrelations of its limiting points. For example, in Fig. 7the roof surface A is defined by the lines ah, he, ed, and da.These lines in turn are…
Geometry, Descriptive
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