fl-3=i(?2ai3-. Erit jEfZZ 2175-^4—^-^. De- 

 indc ell ^'•— 19079S8. Hoc ab «—94.69501 ab- 

 lito icllat -'^zr 7561 5 14. Ilinc imicnitur ) — 

 9737778, et .^"5385250. E(l crgo riimma ar- 

 ciium AP-|-ZPrr57°, 25', et diftcrcntia arcuum 

 AP-ZPvcl ZP-APzzi3°, 9'. Ex his pro AP et 

 ZP inucniuntur hi duo valorcs 35°, 17' ct 22°, 8'- 

 Ef pro clcuationc poH ct dcclinationc ftcllaeconfc- 

 quentcr hi duo qui funt illorum conplcmenta 54°, 

 43' atque 67^^, 52'. Qiiis autcm horum fit pro de- 

 clinationc aut clcuationc policx problcmate non de- 

 tcrminatur. Id tamcn certum cll: ahcrum clcuatio- 

 ncm poH, ahcrum dcclinationcm ftcUae pracbcre. 

 Vcrum etiam hinc fteHae tempus culminationis 

 cognofcitur: diflat enim a tcmporc primac obferua» 

 tionis angulo ZPA, quia PZ eft arcus meridiani. In- 

 uentus vcro c(l ang. ZPAziicS", 45', qui ad tcmpus 

 redu{flus dat i hor. 55', hocquc tcmpore vcl ad- 

 dcndo Ycl fubtrahcndo a momcnto obferuationis 

 primac, prout circumftantiae requirunt, inuenitur 

 tempus culminationis , fi ipfe fol in obfcruationi- 

 bus hiscc adhibcatur, inucnictur verum mcridiei 

 tempus. 



N 3 PRO- 



