170 
REV. F. FALLOWS’S OBSERVATIONS WITH AN INVARIABLE 
First Series computed. 
1829. 
Mean 
Temp. 
Interval. 
Uncorrected No. 
of Vibrations. 
Clock’s 
Rate. 
Correc.for 
Arc. 
Reduc. to 
62° Fahb. 
Reduced Vib ns 
in 24 Mean Solar 
Hours. 
68.550 
h m s 
2 37 52£ 
86087-78 
— 0.52 
+ 1.354 
+ 2.758 
86091-37 
68.000 
2 37 55£ 
86087-94 
0.52 
1.682 
2.526 
86091-63 
68.800 
2 37 56 
86087-98 
0.41 
1.464 
2.863 
86091-50 
70.540 
2 37 43 
86087-24 
0.41 
1.114 
3.595 
86091.54 
69-625 
2 37 52 
86087-76 
0.41 
1.121 
3.210 
86091.68 
65.925 
2 38 15 
86089.08 
0.26 
1.464 
1.652 
86091.94 
68.400 
2 38 2 
86088.34 
0.26 
1.362 
2.694 
86092.14 
69.125 
2 37 51 
86087-70 
0.26 
1.442 
3.000 
86091-88 
67-525 
2 37 55| 
86087-98 
0.26 
1.564 
2.326 
86091.61 
63.850 
2 38 14| 
86089-06 
0.26 
1.730 
0.779 
86091.31 
65.275 
2 38 18 
86089-26 
0.26 
1.326 
1-379 
86091.69 
67-725 
3 35 46 
86088.24 
0.26 
1-797 
2.410 
86092.15 
68.375 
2 37 55 
86087-94 
-0.26 
+ 1-017 
+ 2.684 
86091.38 
Mean. . 
67-824 
Mean .... 
Buoyancy 
86091-69 
+ 5.98 
(No. 
of Coincidences = 
_ . n l \ Number of Vibrations in vacuo, "1 
4 J C in 24 Mean Solar Hours. . j * ’ 
860 97-67 
Rate of the Sidereal Clock. 
Dec. 2nd. 
Dec. 3rd. 
Dec. 4th to Dec. 9th. 
By a Arietis 
a Ceti 
Itigel 
/3 Tauri 
S Orionis .... 
K 
/3 Aurigae .... 
Mean Rate. . 
s 
-0.38 
0.52 
0.50 
0.70 
0.50 
0.55 
-0.46 
By a Ceti 
Capella 
/3 Tauri 
0 Orionis 
S 
/3 Aurigae .... 
Mean Rate . . 
s 
— 0.24 
0.30 
0.50 
0.58 
0.36 
-0.50 
— 0.41 
By a. Ceti 
Capella 
Rigel 
/3 Tauri 
S Orionis 
/3 Aurigae .... 
Sirius 
s 
— 0.33 
0.26 
0.22 
0.23 
0.23 
0.27 
— 0.28 
— 0.52 
Mean Rate. . 
-0.26 
