OfUSCULA. 
scquale* quadranti circuli, cujus radius =r f , & vcrticc I 
delinectur curva I M , cujus ordinatx M T fint ad C c. : : 
Demum fiat ut K H : G H : : M T : L Z : erun^LZ 
/- 
~ SjI± C c .-4: . -2- = — — z,; ergo T Z =: z diflanti^ 
fcilicet corporis a centro . Produda HE ita , ut ED— 
ducatur rcda D A S : conftat , fore DE = r :E A = '-^~.. 
AT=4:i:TS = ~r=j: ergo SZ=s^z==x, hoc cft 
fpatio perado a mobiie . Haec conftrudio docet , modo au» 
geri quidem , modo imminui didantias corporis a centro 
— zi , fed femper remanere pofitivas ita , ut centrum antc- 
cedat, corpus fubfequatur . Diftantiac maximx, quac habcn« 
tur, quum -4= acquat aut duos , aut fex, aut decem &c. quao 
drantes , & minimx , qux habentur aequante — := aut qua-s 
tuor , aut oclo , aut duodecim &c. quadrantes , continuo , 
& fucceifive fiunt minores . 
Si gg <2 rr , ut 1 r r — gg fit pofitiva, vocemuf 
^rr — gg — j ^ ui xquatio proveniat 
^Cc.-ii — ^Sc.ii. , 
V — (-7) • Fiatvf :^:: 
S c . A : C c . A , & cjeda A proveniet 
Cc. A.Cc.-^-Sc.d.Sc.-^' , -s^ 
k iCcA Z f ^ " 
feu ^-.s = --;?^-.Cc.A-hJj^.( Ax xrr. sic redada 
xquatione conllruo curvam xquationis ( ^ ^ ■ltt — ita s> 
ut abfciifx fint = -^^ ordinatx = y, qux erit logarithmi- 
%r' J ^ 
ca , cu jus fubtangens — . Ad abfciifam E H (P/<^.<5.) 
F f 2 de- 
