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 175
perspective ranges {b-abc ...) = {b-abc...) l62 PROJECTIVE GEOMETRY. with the common point hh (self-corresponding) are obtained.Taking any ray through P and cutting it by h and V, then thetangents to K from these two points are two corresponding tan-gents. The tangents from P to K are the double… … Fig. 68. 2. Given five points of a conic; to construct the intersectionsof this conic with a straight line. In Fig. 68 let A^B^C^D^E^ be the given points and / thegiven line. Join D^ and E^ with A^B^C^ and designate the t THEORY OF CONICS. 163 corresponding intersections on / by ABC and ABC. Drawan…
Geometry, Projective · Geometry, Analytic
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