100 



CAPTAIN SABINE ON THE DIFFERENCE IN THE VIBRATIONS 



Table F. — Vibration of Pendulum 12 at Greenwich, July 1828. 



Exp. 1. July 21st. Clock making 86401.87 Vibrations. Barom. /gg'^^j 29.375 





Temp. 



Times of 



Disapp. Re-app. Coincidence, 



Arc. 



Observer. 



Mean 

 Interval. 



Correct 

 for Arc. 



Reduct. 

 to 62=. 



Corrected Vibra- 

 tions in a Mean 

 Solar Day at 62°. 



59.6 



61.2 



61.6 

 62.3 



42 

 12 

 43 

 05 

 36 

 07 

 02 

 23 



h m s 

 8 21 13.83 



10 31 39.33 



13 43 07 

 2 52 31 



62.3 



62.1 

 61.4 



Fresh impulse given. 



3 05 20.5 



5 15 34 

 7 25 57.5 



0.90 



0.423 



0.215 

 0.110 



0.720 



0.340 

 0.170 



Mr. Taylor. 



Mr. Tayloii. 



Capt. Sabine. 

 Capt. Sabine. 



Capt. Sabine. 



Capt. Sabine. 

 Mr. Taylor. 



> 391.27 



I 391.38 

 )>391.2 



^ 390.675 

 >.391.175 



+ 0.66 



+0.16 

 +0.04 



+0.43 

 + 0.10 



-0.69, 



-0.25 

 -0.04 



+ 0.08 

 —0.10 



85960.18 



85960.26 

 85960.15 



85960.06 

 85960.13 



61.49 



85960. 16 at 62". 



