F. Marini Mersenni ... Cogitata physico mathematica : in quibus tam naturae quàm artis effectus admirandi certissimis demonstrationibus explicantur (1644)
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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 Sphaera mundi, seu, Cosmographia demonstratiua, ac facili methodo tradita : in qua totius mundi fabrica, vna cum nouis, Tychonis, Kepleri, Galilaei, aliorumq[ue] astronomorum adinuentis continetur : accessere, I. Breuis introductio ad geographiam. II. Apparatus ad mathematicarum studium. III. Echometria, idest geometrica tractatio de echo. IV. Nouum instrumentum ad horologia describenda, opus posthumum. (1635)](https://img.insideoutlibrary.com/img/200/ia-sphaeramundiseuc00bian-32-0.webp)