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Published online by Cambridge University Press: 20 January 2009
Any property of a curve which depends solely upon its form may be styled intrinsic. Thus the circle of curvature at a point, the relation between s and ψ, the envelope of the normals, the envelope of straight lines making a constant angle with the curve, etc., are all intrinsic properties. It is proposed to investigate a few of these properties in this paper.
* [Full references to the literature of the problem dealt with in I. will be found in Loria, , Spezielle algebraische und transscendente ebene Kurven. Leipzig, 1902, p. 626.Google Scholar