iud eft. vmbra, quam id, quod non afpieitur à Sole , & à Sole camen videamus illu-- minari tocam bulle bafim circulariter ; neceffe eft totam etiam bullam vn- diq; à Sole illuminart ; & confpicif; quod tamen impoffibile effe demonftra-: tur ab opticis:ipfienim demonftrant, nullum corpus ,… … miradij DE;EF.
Aristotle · Mathematics, Greek · Mathematics -- Early works to 1800
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Sphaera mundi, seu, Cosmographia : demonstratiua, ac facili methodo tradita : in qua totius mundi fabrica, vna ̀cum novis, Tychonis, Kepleri, Galilaei, aliorumq[ue] astronomorum adinuentis continetur : accessere, I. Breuis introductio ad geographiam, II. Apparatus ad mathematicarum studium, III. Echometria, idest geometrica traditio de echo (1620)](https://img.insideoutlibrary.com/img/200/ia-sphaeramundiseuc00bian_0-124-0.webp)
![An illustration from Mathematicall magick. Or, the wonders that may be performed by mechanicall geometry. In two books. Concerning mechanicall powers [and] motions. Being one of the most easie, pleasant, usefull, (and yet most neglected) part of mathematicks. Not before treated of in this language (1648)](https://img.insideoutlibrary.com/img/200/ia-b30323915-308-0.webp)
