Report of the Kew Committee, 103 



Vibration Observations for Absolute Measure of Horizontal Force. 



Month. 



Gr. M. T. 



Tempe- 

 rature. 



Time of 

 one 

 Vibration.* 



Log «X. 

 Mean. 



Value 

 of m.f 



1882. 



d 



h. 



m. 



o 



46*9 



sees. 









26 



12 



1p.m. 



4*6500 











3 



8 p.m. 



53*1 



4*6525 



A.OAO A A 



30844 



0*52151 





28 



12 



7 p.m. 



435 



4-6517 











3 



4 p.m. 



40 4 



4 o4yo 



U oUo^4 



fl.SOl OQ 





20 



11 



50 a.m. 



357 



4*6478 











2 



58 p.m. 



DO 



4 DOUO 



A.QAQAQ 



u oziuy 



1883. 



















26 



12 



13 P.M. 



43 '9 



4*6485 











3 



6 p.m. 



46*8 



4*6507 



A.OAO A O 



30848 



0*52130 





27 



11 



52 A.M. 



45*0 



4*6483 











3 



37 p.m. 



rn.A 



oz u 



4 ooUZ 



U oUo/o 







29 



12 



22 p.m. 



oZ O 



4'6523 











3 



15 p.m. 



55'0 



4*6497 



30873 



A. SOI O K 



oZloo 



a :i 



25 



11 



56 a.m. 



56*9 



46566 











3 



15 P.M. 



60*1 



4*6521 



A.O AOOO 



A. KOI 1 O 



-\ir 



24 



12 



6 P.M. 



7b 1 



4*6534 











4 



6 p.m. 



o4 U 



4 D04o 





U 0^14/ 





12 



2 



52 p.m. 



67'0 



46518 









13 



12 



38 p.m. 



726 



4*6540 



30939 



520y7 



A l. 



1 



12 



26 p.m. 



691 



46532 











2 



57 p.m. 



731 



4'6534 



30935 



0*52116 





22 



11 



51 a.m. 



76-9 



4-6575 











3 



14 P.M. 



783 



4-6543 



0-30930 



0*52095 





1 



11 



51a.m. 



55-9 



46542 











3 



3 p.m. 



57-7 



4-6500 



0-30870 



0-52050 



* A vibration is a movement of the magnet from a position of maximum displace- 

 ment on one side of the meridian to a corresponding position on the other side, 

 f m = magnetic moment of vibrating magnet. 



