ce 
SABINE’S PEXPERIMENTS. 4, 
January 3d, P. M. Sun’s U. L. Bar. 30. 20. Th. 41. 
Chronometer. Level. Readings, &c. 
$07. 50.) «| 0.0 
09. 16, 8 =o ke 120. 04. 30 219. 43 . 10 
10. 54,8 0 0 20 43 .00 
12 O03; 24) hate. o> O 40 43 . 30 
13). 82 +10+2 10 oz. - 50 
UG Sy Oye et One a 120. 04 . 25 219. 43 . 07 
8.12. 01,4| +32—12 | 239. 55 . 35 "939. 55 . 35 
3. 11. 30, 77 ake Level +10 
5. 00. 30, 63 Chaonometer fast m. time. Obs. Z. D. 459.38. 52 
76. 36. 29 
Refr. — Par. + 3. 57 
Semid. +16. 18 
True Z. D. 76. 56. 44 
January 3d, Sirius East of the Meridian, Bar. 30, 20. Th. 36, 5. 
Chronometer. Level. Readings, &c. Chronometer. | Level. |Readings, &c. 
13. 33. 42,8 A iia a enone Orne Oumy te) eae mae 
35. 08 02) 01272. 08 | 50) -¥ $43. 24)... 00 48 . Zo -- 2—8 | 48.02. 10 
36. 36 0 0 08 . 50 24. 00 BOE Osi Oe 02.00 
39 . 06, 8 0 0 09. 30 24. 30 53. 46, 8 0 0 02. 351) 
41. 54 +2—6 08. 30 23. 30 57. 05,6] 0 0 02 . 00 
43. 15,6 | +2—7 |272.08. 55 343.24. 00 58.48 [+ 9 0} 43.02. 11 
(anss'. Lf52 _+4—13 87.51. 05 87.51.05 |13. 52. 28, 07|+16—21| 16.36. 00 
8.37. 44,4 |" 355 Level. —3, 5] 8. 51. 54, 77| —2, 5 |860 00. 00 
ea, 00. 32,8.) 431.15. 06, 5| 5. 00. 33,3 | _ Level 2,5 
Obs. Z.D.°  ~ 71-52. 31 Peet 419.38. 09 
Refr. +3. 02 69.56. 21,5 
True Z. D. 71.55. 33 2. 43,5 
69.59 . 05 
5. 00 . 32, 8 
Chronometer fast m. time ; 5. 00 . 33, 3 f oa) OOF 1 33.> O05. 
Observations to determine the rate of No. 423, between the 24th of December and the 2d of January, 
by the disappearance of stars behind the steeple of the Presbyterian Church, viewed in a Telescope 
Jixed to the wall in the Eastern window of the Chapel of Columbia College. 
Diff. between | 423’s less. 
| Disappearance ob’sd by 423. ee Interval 
December 24. | January 2d. | Difference. |sid aor “ee ena In the i sid. ay 6 sol. day. 
heen ts h m m s s eins 
(1) Ursz Majoris. en Ae ye 2) ae gor 49, 6 35 45, 6| 9 135. 23,19)22, 41 | \2 ; 49| Ze 
(2) Urs Majoris. hed + 39); 293 6/35 . 46, Al 9 |35 .23,19)23 , a 218i li ahs OD 
(3) Ursee Majoris.}12 . re ph 8 Fg 48 .10,4!35. 46,4 9 Bsa. 23, 19|23 , 21 : , 58 | 285 59 
