Newcastle, Margaret Cavendish, Duchess of, 1624?-1674 · London: Printed for J. Martin and J. Allestrye .. · leaf 79
(50 AN EPISTLE TO THE $ Unbeleeving Readers IN NATURAL PHILOSOPHY. … effe&s, we mufl: needs know {ome caufes, by reafon that effe&s are the caufes of effecta5and if we can knowbut one efFe&,it is an hun- dred to one, but we fhall know how to produce moreeffe&s thereby. Secondly, the natural Philofophy isanendlefs ftudy without any profitable advantage j but I ryiay…
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Internet Archive · Duke University Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from Gulielmi Grataroli Bergomatis artium & medicinae doctoris Opuscula, uidelicet, De memoria reparanda, augenda, conseruandaq́[ue], ac de reminiscentia : tutiora omnimoda remedia, praeceptionesq́[ue] optimae ; De praedictione morum naturarumq́[ue] hominum, cum ex inspectione partium corporis, tum alijs modis ; De temporum omnimoda mutatione, per petua & certissima signa & prognostica : omnia ab auctore correcta, aucta satis, & ultimô edita (1554)](https://img.insideoutlibrary.com/img/200/ia-gulielmigratarol00grat-17-0.webp)
