An introduction to projective geometry and its applications; an analytic and synthetic treatment (1905)
Emch, Arnold, b. 1871 · New York, J. Wiley & sons; London, Chapman & Hall, limited · leaf 199
A 2, … Fig. 76. A3, A4, the corresponding points on these four rays coincide,each for each, with Au A2, A3, A4, so that these points are onthe cubic and PAt, PA2,PA3, PA4 the tangents at these points.On the rays PBU PB2, PB3 the points which correspond to Bx, B2,B3 are the points of intersection 5/, B2,…
Geometry, Projective · Geometry, Analytic
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