18S EX?UCAT10 PHAENOMENORTM QVAE 



a long. 7i iS, 20% 8'' 



fiibtr. cp O 3 S, 15% 37'' 



304% 31^ =3 loS, 4% 31'' 

 cuius fiiius jx —— fin. 55°, 29^ et 

 cofinus ?// zn: H- fin. 34°, 31'' 

 Porro log. b z=: 6,71 69065 

 log. a -iiz 6,0000000 



/ ^ zz: o, 7160965 

 l \L = 9, 9i590<59 



/ ^ = 9, 1998 104 = log. finus 

 cui refpond. log. cofinus feu Iqzn 9,9944789 

 atque efl: Imzzz. 9,7533118 

 Deinde eft V- — 4,0201540 

 et l~ — 4, 3782022 

 Ergo Iq =: 9,9944789 

 fobtr. l\ -zz 4, 3782022 



fubtr. 



A^ / m 

 lubtr. / '- 



fiibtr. 



2£ ^// ^^/// 



8^% 31' 



// ^/// 



I , 0475829 ergo -y = irs o '- , 

 Tndc — ^=^^ zz: — 2'^, 3 5'^''', ex qno vcrii louis longi 

 toto Geocentrica erit i S, 20% 8^, 22^^, 25^^-" 



§.70. 



