IN FLVIDO. 



loco c fupcriorc valore fubftituto vt -"' , , . \^i 



quod exprimit clcmcntum tcmporis. IIiijus crgo 

 integralc ita dcbct cfTc compnratum , \t, c^ :idjc(fta 

 conllantc, tjuac flicit tcmpus — o fi ponatur .v acI / 

 vel s—o, vt inquam, fi fiat /zz/; , quo in cafu inte- 

 grum obtinetur tcmpus afcenrus, tum b quae a quan- 

 rifate arcus dcfcripti pendet prorlus ex computo 

 abeat. Hoc vt fiat jam alibi demondraui oporterc, 

 vt tota exprefllo elcmcnti temporis nuUam habcac 

 dimcnfionem. Quaeritur ergo qualis .* fundio ipfi- 

 iis / efle debeat? Qiiia ad s exprimendum h in com- 

 putum ingredi non poteft, fed folum /, perfpicuum 



ds 



eft fore -^— ^ et fic elementum tcmporis erit 



..2ma vt ^ 



ijbl—itr Ergo longitudo pcnduli ifochroni in vacuo 

 ctl zc. 



§. 15. Ex detcrminationc curiiac, vt fiat tau- 



ns 



tochrona , hacc orta efl; aequatio ds : ^-'^'^ — dt 

 Ve-.^t ex qua natura curuac determinari debet. 



— ns 



Acquatio ea intcgrata dat hanc C-— V-'""— 2lV/;vr, 



facflo / -o , fiat .f=o, neceflTeeft, vt fit Czn^"; 

 Propterea haec inucnitur acquati-o pro curua quac- 



— ns 



fita , "^^{i-c-^^^—Vft, et fumcndis quadratis hacc 



— n.s 



'^ii-c-""')^—et. Quac denuo diffcrentiata dat 



Kma 

 i 'n 



