SABINE’S EXPERIMENTS. 
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December 24th, A. M. Observer, Capt. Sabine, Bar. 30, 40, Clock making 86,367,368 vib. in a m. solar day. 
No. of Co- Times of ai Ave of | Mean | Interval | Observed vib. | Correction Vibration 
fen incidence. Disap. | Reapp. Mean. vib. Arc. | in'sec’ds.| im 24 hours, for Arc. in 24 hours. me 
33,7 1st. | 9.11.02] 11.05 ti 03, 5|1 , 2 
34,3 | 11th. |11.06.06| 06.21 |06.13, | 0,58 
34 | Mean of ten intervals. | | « 691 | 86117,38| 1,272 [86118 , 652 
December 24th, noon ; Observer Capt. Sabine ; Bar. 30,40; Clock making 86,367,368 vib. ina m. solar day. 
34,75| Ist. |11.28.50| 28.54 |28.52 [1.18 
36,25] 11th. | 1.23.36] 23.47 |23 .41,5}0.6 ; 
35,5 | Mean of ten Intervals. | | |688 ,95|86116 , 62| 1 , 272 (86117 , 892 
December 24th, P. M. Observer Professor Renwick ; Bar. 30, 40 ; Clock making 86,367,368 vib. ina m. solar day. 
36,8 1st. 1.35.41] 35.45 |35.43. |1, 26 F 
36,3 | 11th. | 3.30.01] 30.21 |30.11 a = 
36, 55| Mean of ten Intervals. | 686,8|86115 , 86| 1 , 529 |86117 , 389 
December 25th, A.M. Observer Capt. Sabine ; Bar. 30, 12; Clock making 86,367,368 vib. in a m. solar day. 
"32,9| ist. |10.41.43] 41.47 |41.45 |1,2 | 
33,6| 11th. |12.36.49| 37.04 36 . 56, 5|0 , 60 : 
33,25| Mean of ten Intervals. | | [691 ,15\86117-, 44; 1,28 |86113 ,72 
December 25th, P.M. Observer Professor Renwick; Bar. 30, 00 ;. Clock making 86,367,368 vib:.in a m. solar day, 
“33,5| Ist. [12.59.30] 59.37 [59 .33,5{1 , 21 | | | | 
35,6| 11th. | 2.54.27| 54.48 [54 . 37, 5/0, 58 
34,55] Mean of ten Intervals. | | |690,4 |86117 , 16) 1,279 |86118 , 439 
December 26th, A.M. Observer oe Sabine; Bar. 30,00; Clock making 86,367,368; vib. in am. solar day. 
32,6) ist. |10.51.20, 51. 22, 515 2 | | 
33 |11th. |12.46.37| 46. Zz 46.43 |0,6 
32,3) Mean of ten Intervals. | | |692 ,05|86117 ,76| 1,28 |86119 ,04 
December 26th, P.M. Observer Professor Renwick ; Bar. 30,18 ; Clock making 86,367,368 vib. in am. solar day. 
33,1! ist. [12.58.26] 58.30 [58 . |1 , 24 | | é | 
34,6} llth. | 2.53.31) 53.52 |53°. = 5:0, 59 
33, 85| Mean oft ten | Intervals. | | 691, 735/86117 5 ms J: » 875 5, |S6118 98 875 
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