Trammels

Archimedes Trammel is a device for drawing ellipses.

Tags: trammel, ellipse, archimedes

Generalizations of a Theorem from Archimedes Liber Assumptorum

The first diagram is from Archimedes' Liber Assumptorum (book of Lemmas). The later diagrams are generalizations to conics.

Tags: Archimedes, circle, ellipse, parabola, hyperbola