Descriptive geometry for students in engineering science and architecture; a carefully graded course of instruction (1915)
Armstrong, Henry F. (Henry Fry), 1868- · New York, J. Wiley & sons, inc.; [etc., etc.] · leaf 32
the H.P. The rest of the shadow, namely, theshadow of the segment BCD, will be caught by the j.i^ ip, V.P. To obtain it, find V.T.s for a number of rays passing through points on the curve BDC. Some such points are marked at i, 2,3 and 4 in the figure. A free-hand curve is drawn on the V.P. through… … 24 DESCRIPTIVE GEOMETRY H.P. Use this point H as centre, as before, and describe the circular part of theshadow appearing on the H.P. in front of the V.P., and then proceed to find theshadow cast on the V.P. as in Fig. 20.
Geometry, Descriptive
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