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
roughA, C, and B, and formed by the reactions at these points, is also afunicular. It is therefore collinear with the first polygon (o, 0^12,oi234). Projecting the points C and B from M upon the funicu-lar sides (oi2) and (oi234), respectively, the projected pointsC and B will correspond to C and 5… … The directions of the reactions at ^, C, and B intersect thefunicular hnes o, oi2, 0^1234 in points of the Hne s, and theymay easily be drawn. To find the magnitudes of the reactions,draw lines parallel to their directions through the points A^, C^,Bi- These lines necessarily meet in a point O^ of…
Geometry, Projective · Geometry, Analytic
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