SABINE’S EXPERIMENTS. 67 
An account of the going of the Pendulum Clock at Columbia College, New-York ; Elevation above 
the Sea 52 feet. 
With the Pendulum marked No. 1; Barom. mean height 30. 2. = 
1829, Chron, 423. Pen dulum Clock’s daily loss Me cf Temperature. oe ti Dhl soars ri : 
osing <s,01o. ock. on 423. | on time. re Extnes: | Means.||_ Are. | i 4 Eleva: averuum aft te 
Dec. Temp. 53° 
22 7.02. 15,6 ie 
6 1.7 ar a 39,6 
2 te 36. 2 
65,8 1.68 ii ¢ 33,6 
24 7.00.01, Us 
7.10.00 5, 1.68 |} 34-2 ¢|s3,7 
25 i 6.58 5 , Pay 
26 6.57 . 50,5 Be 
64, 1.68 34, a 32,7 | 
27 6.56. 46,2 
The Clock was going four or five days before the account was taken up; the correction for tem- 
perature is 0s.44, per diem for each degree of Fahrenheit. 
With the Pendulum marked No.2; Barom. 30. 36. 
Clock’s gain. 
28 7°42 . 50,5 
46 1.68 |) 53° 9 ¢|s2 
29 7.43 . 36,5 aaa 
44,9 1.68 |} 31° 7 §|s2.95 
30 7 .44.21,4 oa. 
45,6 1.68 |} 32} |32.75 
31 (-40 35.3 
1823||7. 10. 00 A5,7 1.68 350.3% 32.3 
Jan.1 7-49 ; 33.4 
45,3 1.7 ene 31.6 
2 7.46.38 36. 
43,2 1.7 es 33.5 
3 7 AT. 21,2 oa 
1.68 |§ 3475 $ [36.05 
4 7.48 .04,8 
Means. 44.9 |42,285|1.686| ___ Means. (44.9 |42,285]1.686| ==. 83.02|4.662|8.791|6.507]0.215||86444.878 
