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 260
d. § 62. Peaucelliers Inversor. In our particular investigation of link-motions the problemto draw a straight hne theoretically correct is of the greatest im-portance. This can be done by Peaucelhers inversor (loc. cit.)or by Harts linkage (Koenigss Cinematique, p. 267). Peau-celhers inversor is of… … Fig. 104. by pivots, Fig. 104. Designating OA=OBhy a,AP = PB = BP =PA=b,AA = c,weh3iYeOA = h{OP+OP),AP = ^(OP-OP);i(OP+OPy = a-c; c^ = ¥-\{OP-OP)\ or \{pP-^OPy-l{0F-OPy = a-h\ or finally OP-OP = a-h\ Hence, if O is kept fixed, the points P and P are inversewith respect to a circle having O as a…
Geometry, Projective · Geometry, Analytic
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