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# Title: [Philosophiae Naturalis Principia Mathematica] Philosophiæ Naturalis Principia Mathematica (shelfmark Leibn. Marg. 166)
# Folio 438, page id 1041163592:0472
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438
PHITLOSOPHILLE NATVRALIS
DE MONOE LOC II. 46, ut 1436 2d 39343 ec 4590 ad 4898+3 COnjun-
Srorrmare etim, id cHt, uE 100 ad 292369. Vires aurem quibus Nodi Lu-
narum (uc supra explicui) acque adeo quibus puncta sEquinoctia-
lia annuli regrediuntur (id est vires 3II, in Fic. paz. 403 d 404.)
sune in lingulis particulis ut distantix parcicularum à plano R,
ex his viribus particulx illae planum FusiunE; _ Propterea (peF
LCm. II.) Si maceria annuli per cocam olobi superticiem, in mo-
rem figurx P ap AP ex F, ad superiorem illam Terrae Partem
consticuendam sparseretur, vis ex efficacia tota particularum om-
nium ad Terram circa quamris AEquatoris diametrum rotandam,
acque adeo ad morenda puncta Aiquinoctialia, craderet minor
quam prius in racionc 22d5. Ldeoque annuus quinoctiorum
regresus jam cNet ad 2081. 22. 46, ut 10 ad 73092: ac proinde
ACrCE d. 56. 50.
Exterum hic motus, ob inclinationem plani Aguacoris 2d pl2-
num Reliprica, minuendus est, idque in ratione sinus 91706 (qui
sinus est complementi graduum 233) ad Radium 100000. Oua
ratione motus iste jam hec 9. 71. 20. Hlac eAt annua Praecesio
Aquinoctiorum a vi Solis oriunda.
Vis aucem Luna ad Mare movendum crac ad vim Solis, ue
44825 ad I circiter. RC vis Lunxe ad Equinoctia movenda, cAt
ad vim Solis in eadem proxortione. Indeque prodic annua i-
quinoctiorum Praecessio a vi Lunxe oriunda 40. 52. 523 dC tOta
Prxcesio annua a vi utraque oriunda 50. 00. 12. Ec hic mo-
tus cum Phaenomenis congruit. Nam Praecessio A quinoctiorum
ex Obserrationibus AAronomicis est minutorum secundorum plus
minus quinquasinta.
Si alticudo Terraxe ad A. quatorem superee alcitudinem ejus ad
Polos, milliaribus pluribus quam 172, materia ejus rarior erit ad
circumterentiam quam ad centrum: ec Praecessio Aquinoctiorum
ob alticudinem illam augeris ob raritarem diminui debet.
Descripsimus jam Systema Solis, Terrx, Lunas ec Planetarum:
superest ue de Comecis nonnulla adjiciaMeur.
LE MMLL