F. Marini Mersenni ... Cogitata physico mathematica : in quibus tam naturae quàm artis effectus admirandi certissimis demonstrationibus explicantur (1644)
ipfam varietatem definire. PROPOSITIO XIX, Cylindrorum longitudine equalium , C9. inequalium.— craffitudine , uel tam longitudine quam crafsitudi-.—. ne inaqualium robur , fea vefiftentiam definire :fth miulque comparare. | NS primüm cylindri A C & ET longitudine zquales, & inzqua* les craffitudine… … baíis E D eftad bafim R A in ratio- ne duplicata diametrorum E D, & B A, hoc eft bafis E D. noncupla. (sull eft.bafis. B A,igitur noncupló robu- IN. flior erit cylindrus E FP tractus fc- | * cundum longitudinem , cüm fibrz Muse illius fint noncuple fibrarum cylindri B. C; cümquepraterea bafis DE…
Science -- Early works to 1800 · Navigation -- Early works to 1800 · Music theory -- History -- 16th-17th centuries
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Mathematicall magick. Or, the wonders that may be performed by mechanicall geometry in two books, concerning mechanical powers [and] motions : being one of the most easie, pleasant, useful, (and yet most neglected) part of mathematicks ... (1680)](https://img.insideoutlibrary.com/img/200/ia-b30327751-321-0.webp)
