Prodromus dissertationvm cosmographicarvm, continens mysterivm cosmographicvm de admirabili proportione orbium coelestium; deque causis coelorum numeri, magnitudinis, motuumque periodicorum genuinis & propriis, demonstratum per quinque regularia corpora geometrica. Libellus primum Tübingae in lucem datus anno Christi M D XCVI., à M. Ioanne Keplero. Nunc vero post annos 25. ab eodem authore recognitus .. (1621)
Rhäticus, Georg Joachim, 1514-1576 · Francofvrti, Recusus typis E. Kempferi, sumptibus G. Tampachii · leaf 86
rato. Caufam dicam* Primum,quia eius a Sole digf effio lon- giorminime pati potuittamanguftoscarceres: deinde quia &Octae- dron inter corpora,& motus Mercurij inter Planetas peculiare quid , &c communeinuicemhabent. Naminfblo O&aedro fuperangulumere- cto vfu venit , vt quadratum directis lateribus… … quam maiorem , quam eft O I, vel O P femidia- metef orbis,nempe O Q. DifTerentia eius eft P Q^JEt tanta eft latitudo circuli , qui vltra orbem excurrens , inftar Horizontis aliciiius in fphanra armillafi,permedium Octaedritranilrepoteft. Qenim & S funt media puncta duotum iaterum,proinde & proxima…
Astronomy
Internet Archive · Fisher - University of Toronto · Public domain (published before 1931). Free to use for anything.
![An illustration from Les mechaniqves de Galilée ... : avec plvsievrs additions rares, & nouuelles, vtiles aux architectes, ingenieurs, fonteniers, philosophes, & artisans / traduites de l'italien par L.P. M[arin] M[ersenne] (1634)](https://img.insideoutlibrary.com/img/200/ia-lesmechaniqvesde00gali-80-1.webp)
