Philosophiae naturalis principia mathematica (1723)
Newton, Isaac, Sir, 1642-1727, Cotes, Roger, 1682-1716, ed, Adams, John, 1735-1826, former owner. BRL, Adams, Thomas Boylston, 1772-1832, former owner. BRL, John Adams Library (Boston Public Library) BRL · Amstaelodami : Sumptibus societatis · leaf 193
lliptica praefata hcEc vis tertia duplici de caufa adaugebit, tum quod non dirigatur a ?* ad T,tum etiam quod non fit reciproce proportionalis quadrato diftantiasT T. Quibus intelleftis, manifeitum eft quod areae temporibus tummaxime tiunt proportionales , ubi vis tertia , manentibus… … PRINCIPrA MATHEMATICA. ij9 Exponatur corporis Z attraflio acceleratrix verfus S per lineam p^^^^SN; & fi attradtiones acceeratrices SM, SN aequales eiFent; hce, ^*^trahendo corpora T 8c P aequaliter & fecundum lineas parallelas,nil mutarent iitum eorum ad invicem. lidem jam forent…
Mechanics · Celestial mechanics
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
![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)