Young, George, jr, Baxter, Hubert Eugene, joint author · New York, Macmillan · leaf 119
opera-tion is the same in principle asthat shown in Fig. 99. The process described in thisarticle, that of rotating a pointabout the trace of a plane in whichit lies, is called rabattement. 92. Special Cases. Many prob-lems involving rabattement maybe shortened considerably byrecognizing, in this… … Fio. 101
Geometry, Descriptive
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