( 6 it ) 
kcifAtem angular m rc3a S P, ut SemUxis tra^fverfus C D 
4,(1 dijlantim ab altero Foco F F, 
Demonprutid, 
In Fig* III. Sint punda F,p, quamproxima inter fe; 
dudiCque S P . S g, fine PT, pt dux Tangentes, adquas 
demittantur normales ST, St; iifque parallela! ducantur 
radii Curvacurje PG, />G coeunces in 6: ac deferibatur, 
centre S & radio S P, arcus minimus P E occurrens ipft 
Sp 'm E. Manifeftum eft angulum P 6p aqualem efte 
. anguIoT'5/, five angulari Velocitati norma'is 5 71 Eft 
autem angulus angularis velocitas redx S P ; quare 
angulus P G p eft ad angulum P Sp ut angularis VeJoci- 
tas ipfius S 7 ad angularem velocitatem redlx S P ; hoc 
eft, ut^ad.^. SsdPp.PExxS.P .Sr-.-.CK:CO 
r\j r o 
C K CO 
(per propr. II). Hx jgitur Velocitaces funt ut ad 
Pro P G r«ribe ^ 
CDxCO CDxCO 
Hinc 
CDxCO 
• j CO 
crit ad t:- 
—^ FSxPF PSxP f P 
five, deletis fuperfluis, C Dad P F, ut angulus TSt ad 
angulum PSp^ five Velocitas angularis Tangencis ad an- 
gularem Velocitatem diftantise S P : proinde Velocitas 
qua circumgyratur Tangca«, Temper proportionalis eft 
. .COxVCD 
quantitati — jttt • 
^ P F X S P q 
^leraque horum CoroUarlorurn ex aliis Conkarum 
SePiionum ^roprietatibus deduPia^ Vel facile deducen** 
da, inVeniet LePlor in Seifl III. Lib, I. Princip. 
Nat. Philofophiae. 
FINIS. 
LO ND G Nf Printed.-for W. Innys^ at the Princes Arms ifl 
