§, lO, In noftris igitiir aequationibns Tblque locp 

 formulae ^^ fcribamus eius valorem —'-'-, tum vero 

 ftatuamus 



co — ^ Cj), w' zr /E)' 4), (J' — h" ($), etc. 

 vt fit 



ddca ^ ^ t»/ _ h^ d d co" 6^ gf^.^ 



2gdt' r ' 2gJi* r ' igrf.-' f" ' 



quibus fubditutis ornnes noflras aequationes per angulum 

 Cp diuidere licebit, hincque pro fingulis pendulis fequentes 

 orieutur aequalitates : 



I. ^-U — -h, vnde fit^ — j-i-; 



IT. -^_'iy = -y^/ - . h'-^-r^/, 



III. il-kil' --¥ . - /5," zi^ ,JiL ; 

 etc. etc. etc. 



Aequatio autem pro motu ipfius corporis euadct 



<J) M e /m. £ — Q.!|) — fl, 



r i\kk > 



vbi cum fit 



Q - L ^ -M ' Z»' -+- L" ^" 4- L'" ^'" H- etc. et 

 a — \.bh(^-\-Vyy'^-ir L" Z^" /y Cp -h etc. 

 his valoribiis lubftituris, fi praeterea loco /:?, h\ h' etc. va* 

 lores ante inuenti (urrogentur, orietur fcquens aequatio: 



o = «A'' - M ^ fi n . e - Q - i^* - l^' - ^^^ - e tc. 



r ^ t - r Z' — r /" — r 



ex qua aequatione quantitatem incognitam r crui oportet. 



§. II. Quo hanc aequationem ad formam com- 

 modiorem redigamus , totam per M e fin. e -i- Q deuida- 

 mus, ponamusque breuitatis giatia 



M k k ,„ 



tum 



