Curvature. (Simple)

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RBF Definitions

" Parallel lines can be torqued. So may the parallel

lines of a cylinder be twisted as we see them in a rope.

A rope and a cone are both forms of simple curvature."

Citations

1. IDEAS AND INTEGRITIES, p. 217
2. PRINCIPLES OF BUILDING, Chap. 11, Tal. 1 Jan'29
3. Torque, 1 Apr'49