A Mathematical, Astronomical, and Geometrical Lexicon: A Collection and Explanation of All Things Pertaining in Any Way to Both—indeed to Almost Every Branch—of Mathematics

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Original title: Lexicon Mathematicum Astronomicum Geometricum. Hoc Est Rerum Omnium ad Utramque, Immo & ad Omnem Fere Mathesim Quomodocumque Spectantium, Collectio, & Explicatio A single-volume encyclopedic alphabetical dictionary of the seventeenth-century mathematical arts, running from A to Z and treating arithmetic, geometry, optics, music, mechanics, chronology, geodesy, navigation, hydrography, astronomy, and astrology, together with the cosmological, meteorological, and natural-philosophical terms that intersect these disciplines. Each entry proceeds by definition, enumeration of species, and reference to authorities both ancient (Ptolemaic-Arabic) and modern (Galileo, Kepler, Descartes, Riccioli, Kircher, Schott, Gassendi). Written in Latin from a Counter-Reformation Catholic standpoint, the work aims to transmit the whole of mathesis intact while distinguishing licit natural astronomy from condemned judicial astrology, admitting suspect doctrine 'neither approving nor disapproving' and quarantining it entry by entry. It includes a dedicatory letter to Guidobald, Prince-Archbishop of Salzburg, a Praefatio ad lectorem, formal approbations, and an appended Digressio physio-theologica on the sympathetic powder and weapon-salve, which distinguishes legitimate natural sympathy from magical superstition. 👉 Read our introductory primer, full report, and finding guide here 📜 View the original source file This text was transcribed and translated as part of the ExLatinis project—an effort by Leo to make English translations of every published text in Latin in early modern Europe (between 1450 and 1750) available to the public for free online.

• Read our introductory primer, full report, and finding guide here
• View the original source file

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