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)
, omnes fuot normales, quare omnes normaliter refledent Tonum per ea/dcmC A,BA, D A, ad Sonorum A. Ted etiam eodem tempore, cum fiot aqualis diftan- ti*. per fe&iflTma igitur Echo retonabit . Qucd fi Rtfiedens C B D , fic cyli ndricum , nomeadetn prorfus perfediobei fedtatnen eleganter admo- dum…
Cosmography · Mathematical geography · Echo
Internet Archive · Getty Research Institute · 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, leaf 516](https://img.insideoutlibrary.com/img/1024/ia-sphaeramundiseuc00bian_0-516-0.webp)
![An illustration from Sidereus nuncius : magna, longeque admirabilia spectacula pandens, suspiciendaque proponens vnicuique, praesertim verò philosophis, atq[ue] astronomis, quae à Galileo Galileo ... perspicilli nuper à se reperti beneficio sunt obseruata in lunae facie, fixis innumeris, lacteo circulo, stellis nebulosis, apprime verò in quatuor planetis circa Iouis stellam disparibus interuallis, atque periodis, celeritate mirabili circumuolutis; quos, nemini in hanc vsque diem cognitos, nouissimè author depraehendit primus; atque Medicea sidera nuncupandos decreuit (1610)](https://img.insideoutlibrary.com/img/200/ia-sidereusnunciusm00gali-29-10.webp)
