524 DE PERICVLO , A COMETAE 



deinde 



</X ; ~- 13, 188. <*T-4,83tf. dt % 

 </Y'r + 412, 804. dt + 1, 4.79. </t* 

 </*' — — 582, 631. dt — 9, 320. </t» 

 </y — — 20, 14.7. d r — 1, 951. dt % 



Tbi pro calculo fequente fumi debet dtzz. /». 



Calculus pro tempore Tm^poftepocham. 



§ 28. fclementa igitur huius calculi ita fe 

 habebunt 



X— 23986% 713 

 x — 24022, 560 



*-X — 35>847 

 dXzz — 13,490. dt 

 d x zn — 583, 2\$.dt 



Y=z 799,943 

 yzz 826, 837 



y-Y— 26, 884. 



</Yzz4-4 I2 >89^ <** 

 dy —— 20,269. dt 



quibus inuentis calculum fequenti modo profequamur 



alY z=. 2, 9030590^ ly —2,9174147 

 fubtr. /X— 4> 379<57o7jfubtr. /x = 4, 3806*092 



/tang. <J) — 8,5230883/tang. (o— 8, 5368055 

 ideoque Q>~ i° S^'-^ 6l Woque {&— i°. 58 1 . 17" 



/(ec. $> 1=7.10,0062413 

 ad/X =4,3799707 



J u z= 4, 3802120 

 hinc u — 24000, 04 



/lec. (o := 10,0002569 

 ad Ix zr. 4, 3806092 



/v ±r 4, 3808661 

 hinc v— 24036*22. , 



ad 



