Page:The Mathematical Principles of Natural Philosophy - 1729 - Volume 2.djvu/471

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l IFJ =°°nf;° ¢Q<b|aa1§ tfram ictoefu. in Qibab nquanena ſnmirel new line: I 4mw:?l§ Q»@lll'¢d» upnn tie au, lllwriry, that it is ncver fnund to err aww than (even or eight minunes. AN! ¥h¢l'¢fQl¢» hoping that the rea, -QQF, Who CQn1id¢r#ths= fuddcn oncaiim and1§ 9¢¢liiry;>f my P"l2li£1?F nh:fePmpoiinons as dxis Ii£11Q» W' make due § l10Wans:¢ for the wan: of order and mr.|31}0fl,3Ild1O0klJPQl'l xhemonlyas Runany dllhnélz Rules and Propoſitions not conf l1¢&¢d= I ſhall begin, wichnuz any other Pf¢f{¢¢» with Mzwing rhn nrigine of xnequalig, which is callcd the Vaf flP»f10110I'RC ' of theMQon. T O U - HE vamncm orrc£1¢», mv étion is:hat monthly in-, lm M00h ”3'q°° f Qqualiry in the Moon'ſmngion, Wherein it more manifeſtly differs 50131 the laws of the motion of a pla.. mt in an dliptic orbit. 'Ijwh Braba makes this inequality to ariſe from a kind of libramry mocion backwards and fprwards, whercby the Moon is accelerated andmtarded by turns, moving fwifier in the iirilz and third quarter, and ſlower in rhcfecond andfourdm, which inequality is principally obibrvedin the octants, Sir 1/2146 Nrutan accounts' for:hc A 4. variation