Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 67
d (§11). _ Figures 44 and 45 show the open-ing of P to the left into V.Figure 46 shows the projec-tions of the samepoints as areshown in43, when P >*is openedin themanner shownin Figs. 44 and 45. It will be mucheasier to followthis operation in pro-jection if the signifi-cance of the…
Geometry, Descriptive
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