7 March 2021 – Graphography

Hale’s elliptical compass

Post author:Alan Williams
Post published:7 March 2021
Post category:Drawing instruments Ellipsographs
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While hunting around for more background on Taguel's mould-breaking elliptical compass, I came across a long and detailed paper entitled "Elliptographs, and the Application of Elliptical Curves" by Frank J.…