DE 



SVPERFiCIEI TERRESTRIS 



. rROIECTIONE STEREOGRAPHICA. 



Aucflorc 

 NICOLAO FUSS. 



Tab. V. "DcpracTcntet circnhis AsZ^OfB globiim tcrraqueum. Con- 

 '^' AV (lituatiir oculiis iii punfto O, loco quopiam praeci- 

 puo A, qui vult^o in ccntro fupcrficiei proiiciendae col- 

 locari fblet , opp-ofito, et proiiciatur fuperficies tcrreftris 

 in planum P Q K S terram tanecns in ipfo puncto A, ita 

 vt quiiibet circulus maximus pcr A tranfiens proiiciatir 

 in redam tani^entcm in A, quemadmodum in figura femi- 

 circulus f3 A 13 proiicitur in re<flum B A B, fiue A ^ in 

 AB et A y in A r. 



§. c. Sit rndius C A — i , ct fumto in circulo 

 verticali A Z? O arcu quocunque A z — oi , fi proiiciatur z 

 in Z, pcr rccftam OzZ^ pofita dillantia AZ — s, ob 

 augiiliKn A p Z =r ^ co crit 



AZ:z:^ = OA^^:z:f^, rr.tang.it.. 



Sumto igitur puiKHio h in horizontc puncfli A, ita vt 

 Abzz 90", pro punflo proiedo B crit oj— 90% idcoque 

 A B — i cang. 4.5° — 2. Ccteruai pro quacunquc oculi a 



phno 



