Frégier’s Theorem and Frégier Points

Due to the properties of the Frégier point, Frégier’s theorem provides a practical means of constructing with straightedge and square the tangent to a conic at any point on the respective conic. Constructing a Frégier point is very easy and the procedure is the same for any type of conic section (parabola, hyperbola, ellipse or circle). Right… Continue reading Frégier’s Theorem and Frégier Points

Translating Mitelli’s Illustrated proverbs (Proverbi Figurati)

As a personal challenge I want to start a series of posts where I try to translate the “Proverbi Figurati” by Giuseppe Maria Mitelli (published in 1678). My Italian language skills are probably at the lower intermediate skills, so don’t expect too much from me (not to mention that this is 17th century Italian). After… Continue reading Translating Mitelli’s Illustrated proverbs (Proverbi Figurati)