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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 233
ghA, C, and B, and formed by the reactions at these points, is also afunicular. It is therefore collinear with the first polygon (o, oi2,c/1234). Projecting the points C and B from M upon the funicu-lar sides (c/12) and ((/1234), respectively, the projected pointsC and W will correspond to C and B… … The directions of the reactions at A, C, and B intersect thefunicular lines o, oi2, ©1234 in points of the line s, and theymay easily be drawn. To find the magnitudes of the reactions,draw lines parallel to their directions through the points Au CltBv These lines necessarily meet in a point 01 of…Geometry, Projective · Geometry, Analytic
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