94 CAPTAIN SABINE ON THE DIFFERENCE IN THE VIBRATIONS 



Table C. Vibration of Pendulum 12 at Greenwich, May and June 1828. 



Exp. 1. May 15th, 1828. Clock making 86406.S4 Vibrations in a Mean Solar Day. 



Barom. {^g'^g j 29.765. Observer, Mr. T. G. Taylor. 



^R 



Times of 



Disapp. Re-app. 



Coincidence. 



Arc and 

 Correction. 



Mean 

 Interval. 



Reduct. 

 to 62°. 



Corrected Vibra- 

 tions in a Mean 

 Solar Day. 



59.4 

 59.6 

 69.7 

 60.4 

 60.6 

 60.7 



1 



2 



3 



21 



22 



23 



6 07 



12 37 

 19 07 

 16 21 



22 52 

 29 23 



m s 



6 09 

 12 39 

 19 09 

 16 34 

 23 05 

 29 36 



6 



12 

 19 

 16 



22 

 29 



i) 



7.5-1 

 B.5 Vl 

 3.5J 



08.0 



38.0 



08.0 



27.5 



58.5 >11 



29 



9 12 38 



22 58.5 



0.96 



1 + 0.76 

 O.45J 



391.02 



-0.83 



85964.31 



Exp. 2. Fresh impulse given. Barom. < 99 75 f 29.755. Observer, Mr. T. G. Taylor. 



61.2 

 61.3 

 61.4 

 60.8 

 61.0 

 61.2 



1 



2 



3 



21 



22 



23 



49 03 

 55 33 

 02 03 

 59 14 

 05 45 

 12 15 



49 05 

 65 36 

 02 06 

 69 25 

 05 57 

 12 27 



49 04.0 

 55 34 

 02 04 

 59 19.5 

 05 61.0 

 12 21.0 



.0-] h 

 .5 Ml 

 •5j 



m 

 55 



34.33 



2 05 50.5 



0.94- 



0.44 



> + 0.74 



390.81 



-0.36 



85964.52 



Exp. 3. May 17th. Clock making 86405.93 Vibrations. 



Observer, Mr. T. G. Taylor. 



Barom 



f29.70"l 

 •129.71/ 



29.705, 



a 



Times of 



Disapp. Re-app. 



Coincidence. 



Arc and 

 Correction. 



Mean 

 Interval. 



Reduct, 

 to 62°. 



Corrected Vibra- 

 tions in a Mean 

 Solar Day. 



59.2 

 59.4 

 69.5 

 60.0 

 60,0 

 60,1 



1 



2 



3 



21 



22 



23 



29 42 

 36 13 

 42 43 

 40 00 

 46 31 

 53 02 



29 43 

 36 15 

 42 46 

 40 12 

 46 43 

 53 15 



ra 

 29 

 36 

 42 

 40 

 46 

 53 



i) 



36 



42,6 



14,0 



44,5 



06.0-) 



37.0 ).20 46 



O8.5J 



13,67 



37.17 



0.94-J ^ 



J» + 0.74 

 O.44J 



391.175 



-0.99 



85963.91 



Exp. 4. Fresh impulse given, Barom. ||g*?^jj 29.715. 



Observers : 1—3 Mr. T. G. Taylor : 21—23 Captain Sabine. 



^0.2 

 60.3 

 60.5 

 61.0 

 61.0 

 61.1 



1 



2 



3 



21 



22 



23 



8 59 

 15 29 



21 

 19 



25 44 

 32 16 



9 00 

 15 31 



22 03 

 19 24 

 25 57 

 32 28 



h 



21 

 21 

 21 

 23 

 23 

 23 



08 

 15 

 22 

 19 

 25 

 32 



69.5 T 

 30.0 V 

 Ol.OJ 

 19.0-1 

 50.5 ). 

 22.0 J 



15 30.17 



23 25 50.5 



0.95-| ^ ^ 



> + 0.74 

 O.43J 



391.017 



-0.56 



85964.14 



