proinde d<T^ rili£l±ll^— , atque esse oportet s^-^ds' -^ •+.d(T\ 

 ReperitLir auteiTi db^ =zdb — d fx ~ y — £ — ^^ et 

 pro initio d c' — dX'^ — d € ~~ — x 4- 'i-", pro fine 

 vero d c^^ — X — — — ^t^: unde nanciscimur 



^')-i-^:(r-^-p> et 



!i:) + *_17 r — ''-^ — ^' \ 



Q^uantitates supra computatae suppeditant nobis pro 

 observatione Petropolitana, C rz: ii'' s^'',^; c''^ ~ 3' 7'\<5; 

 unde fit a-'' := 30'' 4.1 ',32; a-^'' ~ 30' 55'',i2; pro observa- 

 tione Parisia, c'r23 i5 ,17; c"' =:22'38'^35; ^-^ =3^^ 5^'j59i 

 a-'' — 31" 27^,22. 



Hinc fequentes oriuntur aequationes: 



pro observatione Petropolitana 



3o'55"5p-»-5^=30 4i''32-Oj3^o-a:-o,933/-'-o,34-i-Z-^-o^2i5-i*''. 

 2) 3o'5<J",4d4-^j'.-:3o'55'li2-f-Ojioi.x-o,995.j-+-o,(S58 z-o,ooi.u". 



sivc i)i4^'',58=--5j — o,3(5o.x — o,933./-4-o,34.i.2;-+-o,2i5.ii^; 

 2) i'',34.-— a^-f-o,ioi.x— o,995.y-f-o,(J58.^ — 0,001 ,u'; 



unde correctione d s eliminata , resultat 

 3)ori3^'',24.-t-o,4.6'i.x-o,o(52.j-f-o,3i(5.z-Oj2i5.u^-o,ooi.u''l 



pro observatione Parisia 

 i)4-5'^,4-9 -~ds — o,773.x— 0,634../ — 0,357. z-+-o,39(5.u'; 



2) ^2"', 62 -~hds — o,720.x -+-0,594../ — 0,8 59. !£-*-o, 308. u 



3) 0-78''^,ii-M,4.93.x— o,o<5o.7H-i,225.z— o,395.u^— 0,308.u 



D d d d d 2 Primo 





