(4^11 ) 
Tumy habita ip^m Do dejignutione gu<^ p expo^^ curvce m* 
eommodata y (puta^ in Parabola ^ propter AF. ADu Vkq\ 
\pOq^'-^V h DO^h/~ I ) fiat debitaredums. fpma, fropten. 
l^i! b > b 7 -T-r ^^'n^^ —TT— > — ^ f ^ V + 2 f v a + v a * 
v±i* ^ i deletis utrinque (equalibus ^ hoc efl, m omnibus: 
^in qvibus a non eonjpicitur s Cieterifque per + a divifis i. z f v + v a 
i! Tandem {qui msthdi nucleus efi) fofito D ^J^ ( quv fit a = , 
\adeoque evanefcant ipjius mulitfla omnia^) ofquatio exkibebit £ 
iqucefttam ( puta 2 f v 4 V a = 2 f v = f adeoque 2 v = f.J 
il Hane (Joots citatis) ascommodatamvideas Parabolie^ ElltpJ^i 
Circulove^ Hyperbola^ Paraboloidibus omnibui^ \quibus & harum 
Re^iprsw a^cen/eo^) atqite alitialiis'^ 
GiiXoidi (fig-sO accmmodes. Eft (percip. pr.29. d^ 
^Motu ) b= ^-^^^ (pQfao s pro fmu reUo in circulo gensmnte^ 
^cujus radius r, finus verfus ^ 7 r- v s h, h- v = a jt,) adeeq^: 
\ifubftitutis Via pro v, ^ ht a proh,) ( = 0 0 ^ 
o(DT=-7^'b=)^4^^ ^» ^r^;® {fumptis qnadratisy ^'multipUcand^ 
idecu[fatim,)i \^ h 4. 6 f ^ v ' h a % f " v h a ^ 4 * 'v ^ h a t 4 f ^ - 
v^ha^>Pv^h4;2fv'h a + v ' h a* + 2f * 4f 
% a *■ + .2 V "^^^^ a ^ - f * V a * + 2 f V * a ^ - V a * : item « ( deletis 
^utrtnque squalibus^ C(zteri(que per j- v a divifts) ^ ^ f ^ v ^ li^ 4- f ^ ^ 
^ h 4 f * V ^ h 4 4 £ r V h a ^ > 2 f h + v ^ h a + 2 f ^ v ^ £ t 
' 4 f V ^ je a + 2 V ' ^ a " + f * V ^ a - 2 f a " i V ' a' . Demque^ 
QofitoDinV, quo evanefcat zcum fuis muUiplis^ csterifque per - 
i f V ^ divifis^ fiep ^quatio -2 f h - f » = v h, adeoque ^h^^'^Uh^^ i-t ; 
ji Idem fuccedet, fumpta^ pro VA^ didmetro TA, (cm tangens qc-k 
I mrfM in *J| alia VC. Itemyfi exponeretur curva qudordinatas nom f 
J habedty fed qm bis (equipolkmt s ut funt y in Spirally crefcentes 
radii. 
Sed CI calculi magna pars pr^verti potejl i pmijfts ah initio {ut* 
. pote poji reijciendis) ter minis iis ubt habemr a* vel fuperiorhujus po^ 
' tefias ^ item iis in quibus nec a confpicitur^nee funt in a ducendi, (ut^ 
\ pote^quaHbusutrinqueproditurii^) Exempli grat^K 
