4- ( I 4- jf )^^* fin. i" fin. r coi. r -{- z d ^' fin. i cof. i cof.r! 

 — — </ r ( V L + fJ^ M — N fin. i cof. r ] 



I!I </^2;- £ d^dx fin. i cof r+ 2 ^^^.y fin. i fin. r-^rf^'- finj*; 

 4-( I -f- jr ) ( 2 «'r ^^ fin. t fin. r + d^' fin. i cof 1 fin. r) 

 ^y ( 2 drd^ fin. i cof r + </^' fin. j cof 1 cof r ) 



=: ^ r ( L fin. i fin. ^ - M fin. i cof Si + N cof 1 ) 

 9bi meminifTe iuuabit breuitatis gratia nos pofuifle 

 m— cof r cof ^ — cof i fin= r fin. ^ 

 » — cof r fin. ^ 4- cof i fin. r cof ^ 

 jju zi: fin. r fin. ^ — cof t cof r cof ^ 

 ;/ rz fin. r cof ^ + cof i cof r fin. ^ 



Fraeterea vcro formislae principales, vnde Iias aequatfones ^ 



deduximus, erant ; 



s4-JC=:wX4-«Y+Zfin.ifin.r j X.—m{x-\-x]—vy-\-z£\n.\(in.Q, 



j— — vX— |xY4-2fin.icofr j Y— «(r4-;ir)-}ji.y— ^ifin.icof ^ 



5— Xlinjfin.^- Yfin.icof ^-fZcof j 1 Zzi: (14-jrjfin.ifin.r4-jfin.1cof r4-«cofi 



SECTIO III. 



De yaloribus litterarum L, M, N, ex principiis '^Sl.^"' 



motus deducendis. ^ 



^. I s. Denotent figna ^, G, C i^iafi^as Terrae , 

 Solis et Lunae, quas, pofita mafla Terrae ^ rz i, ex no- 

 vifljmis cbferuationibus concludimus fore 0—360000; 

 at vero maflTam Lunae ^ — 1*5 propcmodum. Parum au- 

 tem intereft quanta fit maffa Lunac , quandoquidem 

 Neivtonus eam ftatuit — l- . IUuftris Daniel Bernoulli eam 

 reduxit ad ~ tantum. His pofitis fit, vti initio, Z locus 



P p a Lunae 



y^ 



