C 5075 ) 
Ergo (proper dlfl ant 104 moment l-s proportlona/es) In DH.p^'mrjia D,S^ ^-"^^ 
que parallel a AX oecurrente SX in K ; erit in (jm^la ) yi/C, ( p^tpote 
CHjPt^ fingulapunEla in earatione diflant ah AD, Ao-j) Centrnm gravitati^ 
H^D. q^idem AK efl eadempoftione reihacHm AGs qnoniam utraq'-, 
tnmper A tranpt^t^m per QentrHn} GravitaN<f HVD* 
Similiter { oh eandem ca^^fam,) in fmpta i^L^ q^.<e Jtt ad AS, pit 
}^H^ ad - f £3 . j^Q „ lAxniXT' ; d^aaqm LK par^llelk ^A, 
oecurrente SX in K ; erit in {junUa) AK [ch]Hs piriqm jingula puncla in ed 
rations difiant ah A/1^ Affi) centrum gravitatis HVD* Erit autem hoc 
K idem (j^od prim, oh caufam modo infinfiatartj. 
12, SimiliproceffH utendnm in [patio exteriori OVHS , 
Efl enlm (m jam oHenfim) hpfjt^^refpeSiu A<f, momsntmn ABO- 
Item^ refp€6l-n AX, Trianguli ASX^^A"- efi { propter centn ah AX 
dl^antiam\AJ^)momentHm\A^^l'') & fmilitcr, TriangHli AOV, mo- 
mentnm\E^sj\\ Triangaii^ue HDX-=^lXT {propter diftmtiam\H) 'mo- 
mentum iXTB. 1 ipfwfque HVD {m modo) fLD'i-^DK £rgs> ( propter 
OVHS-ASX - AqV ^ HDX ' BVD,) ipfimOVHS, reJpe^H AX, m&^ 
mentfim^A^Jt - i^Vi - i^'^^ ' 4 
Ergo (propter dtfiantias momentis proportionales ,) in DH^frmpta DJ, qus 
^t,adAS, ut ^A^Ji . I-E'sj^ ' iXTH - ^LD^ - ad ABO : daka. 
que IF p^rallslk AX^ oecurrente SX in E y erit in (^jmBa) AF C cf^jm 
pm^a fingnla inea ratione difiant AX ,A(p ,)QentrHm gravitatk OV'HS^ 
Idem obtinehitur comparando ejufdem OVHS momenta reffeElu A^^&AA\ 
vel AXi^ A^'-y eandem autem AF prodire necejfe erit, ut qfi<& tranfire ds- 
heat turn per A^ turn per ipfim OVHS centrum gravitates. 
' 13. Simili item precef ntendnm efi in f patio exteriori A^^HA^ 
Efl enim ( ut modo ) hujm refpeliu A A momentum \S'^B^^^ 
Idem^ refpe^iu AXi^ reElanguli ADHa momentum fKH^ ; unde fkh- 
dnUoipfim HFD momento ^LD''^^!)^ h hahehitur ip/t^ AFHa refpeBu 
AXmomentumtKH^ - ^LD^ - ^DK 
Ergo^ in Atl^ fumpt^ aM ^ qu^ fit ad BH , ut fS^Hi -^H^ ad 
erit in (jun5ta) AAfC cujus Jlngula ppmcta in ea 
ratione diflmt ah Aa^AX, ) centrum gravit at is AVHa, 
Idemque ohtinehitur comparatis ejtifdem moment is refpeSiu A A, Acrh 
vel refpeElu AX^ & A<t : eandem amem AM prodire necefe erit^oh can[am 
ante inftnuatam t Vtnon fit (pes inde ^ oh dms ejufmodi rellas^ fe mutuh 
deeujf antes, ipfum centrum ohtinendi, ahfqtie Plani magnitpidine, 
S i vero in hk omnihus velnon fit S A.^ ang. re5tm t vel Hyperhola.vel Sca~ 
lena (fumpta Diametro quavis alia loco Axm AXS ) fimilis adhlhenda trlt ac- 
commodatio cum ea, quam de Scdenis infinmvimus ad § K prop. 31. c. 5. 
Dab, Oxon. Aug. 3 1. 1672. 
I i i i i An 
