EY J. J. DE FERRER. &g 



Results of sun's parallax at the mean distance of the earth. 



By the duration, at Taity and (n) 8",600 



Taityand (a) ". 8,620 



Taity and Wardhus. • . S'^Sl? Qfi 



Taity and Cajaneburjj. , . 8,516 3 .... S,6.j 



St. Joseph and F. P. Wales . 8,623 



St. Joseph and (a) = . . 8,645 > _ ,,. 



Taity and F. P. Wales. = . 8,5883 ' ' 



M«an result 8,615 



Contacts at the center of the earth, for the meridian of Paris; allow- 

 ing the sun's parallax at the mean distance of the earth=S",6 15. 



b ' // 



I Contact. Apparent time. . . . . 7 27 02,5 



II 7 45 48,9 



III ... 13 27 41,4 



IV 13 46 27,8 



Error of the duration of the observations at Wardhus. . . . -f-22",6 



Cajaneburg. . . . — 16,0 



(n) . . . . . _ 0,5 



Taity +1,3 



St. Joseph. . . . — 2,3 



F- P. Wales. . . _ \J 



Determination of the longitude of different places, from Paris, by 

 the observation of the passage of Venus. 



h I a h i a 



»k-i„ i»i„u-- u.. *!.„ fl exterior contact. 5 09 40,0} * in no •* ,,- 

 Philadelphia, by the-;.. . . - ,» „_ ' 5- = 5 10 03,7 W. 



1 ' ' (II interior contact. 5 10 27,53 * 



Cape Francais. . £|j ' .'_','. \ 53 27^1 4 58 27 > S W 



Cambridge, N. Eng. II ... . 4 54 00,5 W 



Taity. . . J«,"- • • ' loZYei] 10 07 17,2 W. 



St. Joseph. . £{{j ••_•." 7 28 03,'9] 7 28 02,8 W. 



F.P.Wales. . . | », .■ ■ ■_ ■ £ * JJ-g 6 26 14,4 W. 



CII . . . . 1 54 47,6} 



Wardhus. . < III ... 1 55 09,9 C 1 55 01,5 E 



C.1V . . . 1 55 07.1J 



Cajaneburg. . [jy '.'.'.'. 1 41 23,6 j » « 31,5 E. 



Gurief. . . f iv '.'.'.'. 3 Is 32 } 3 18 23 > 5 E. 



Oremburg. . £$'.'.'.'. 3 31 03 J 3 30 S2 . 5 E. 



Orsk. . . (J" ' ; " -. " . ' ' 3 44 37 } 3U 36 >° * 



$ UI • • • • 6 58 30 1 



• I IV . . . . 6 58 18 J 6 58 24,0 E. 



5 HI . . • . 7 36 16 } 



• \1V . . . .' 7 36 33 $ ' E - 



Petersburg. . {["'.'.'.'. 1 52 01 | 1 51 52,5 E. 



a a 



Batavia. 

 P^kin. 



