Philosophiae Naturalis Principia Mathematica, Vol. 4 (Classic Reprint) 12+

📙 Excerpt from Philosophiae Naturalis Principia Mathematica, Vol. 4Si extrà Solis actionem Luna motus suos ageret, Luna ellipsim quam libet circa Terram describere posset in piano quovis, et ea ellipsis perpetuò eadem meneret constantemque angulum cum eclipticfi eflìceret; itaque tota theoria Lume circa haec versaretur demente, primò, ut ex tempore quod Luna consumeret ut a quàdam stella discedens ad camdem rediret, obtine atur duratio ejus mensis periodici siderei sicque motus ejus.medius deter minetur, unde facile obtinebitur via quam Luna dato tempore per eum matum medium emetiri potest, ita ut, datà epochà, hoc est, dato loco caeli in quo Luna aliquando observata fuisset, inde quem in locum migrare debuisset, dato tempore, per medii motus calculam inveniri posset.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.