Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 72
slowly tilted toward the plane of pro-jection (Fig. 50 6), the projecting prism will contract in thick-ness. The figure in space is now an oblique section of theprojecting prism, while its projection, which remains a rightsection, is smaller than the figure itself by an amount that de-pends- upon… … 54 DESCRIPTIVE GEOMETRY [V, §46 46. Special Case.> An adaptation of the principles of § 27enables us to construct the projections of any plane figure, oneside of which is parallel to a plane of projection. I. Let it be required to draw the projections of a regularpentagon one side of whiCh is…
Geometry, Descriptive
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