SVPER CVRVIS SPECIE DATIS, 49$ 



Coroll. I. 



2. Arcus ergo quaefitus A P C ita commo- 

 diflime delcribitur vt per redae A B pundum mc- 

 dium C duda verticaii, capiatur CP:=io, 7i<54.3,AC 

 feu C O =1 o, 33970. A C, eritque O centrum cir- 

 culi defcribendi eiusque radius OA— i,o5^i3<5. AC, 



Coroll. 2. 



3. Cum! angulus BOP fit 7i', i4^7tV', fi 

 ducatur corda BP erit arsgulus CBP— 35^,37', 3 iV 

 vnde colligitur ipfa corda B Pr:: i, 230 13 15. A C. 

 Nulla auceni ilarum rationum ratiouaiis efleyidetur. 



S c h o I i o n.. 



4^ Tabutae logarithmorum^ » quibus^ in fupe- 

 riori calculo fum v(us , vix fufficiunt , vt valorem 

 ipfius m m aceuratius defrniamus. Interim tamen , 

 cum is intra limites 2,948 et 2^949^ contineatur , 

 faciamus pro vtroque calculos qui ita fe habent : 



wwzr 2, 94» 



m w zr 2, 949 



0, 932^35 8 



0,9325194 



557249^. 



55^971 



899 5 <^ 



8986^4 



15*193 



; 191^7 



4<^7o 



456 a 



1224 



1 22 s 



337 



35<^ 



9<f 



ss 



aS 



2$. 



& 



s> 



5 



5 



I, 0001222 |,o, 99^7551 

 Err. zz-lr i22a )— 244^9 



Ytidb 



