Report of the Kew Committee. 459 



Vibration Observations for Absolute Measure of Horizontal Force. 



Month. 



G. M. T. 



Tempe- 



Time of 

 one Vi- 

 bration. 



Log ««X. 

 Mean. 



Value 



Of WiJ^ 



Observer. 



1878. 



CL 



h. m. 



o 



48-9 



sees. 











28 



11 38 a.m. 



4-6328 







F. 







3 2 p.m. 



53-4 



4-6317 



0-31198 



0-52634 



33 



November 



25 



11 43 a.m. 



534 



4-6367 







F. 







3 p.m. 



51-3 



4-6366 



0-31128 



0-52567 





December 



23 



12 5 p.m. 



26 1 



4-6258 







F. 







3 8 p.m. 



323 



46293 





0-52558 



33 



1879. 

















January 



28 



11 34 a.m. 



333 



46335 







F. 







2 53 p.m. 



340 



4-6317 



031 093 



0-525R4 



„ 



February 



25 



11 48 a.m. 



38' 3 



46317 







F. 







3 1 P.M. 



39'4 



4-6334 



0-31118 



0*52578 



33 



March 



26 



11 37 a.m. 



351 



4*6328 







F. 







2 58 p.m. 



373 



4*6328 



O-^l OQfi 



KJ OIUJU 





„ 



April 



28 



11 33 a.m. 



50'2 



4"6382 







F. 







3 8 p.m. 



561 



46372 



0*31107 



(V5253Q 



33 



IVTa v 



26 



11 37 a.m. 



62*1 



4'6419 







F. 







3 2 p.m. 



61*2 



4-6401 



0*31094 



52534 



33 





25 



11 55 a.m. 



62'8 



UrtKJO 







F. 







3 35 p.m. 



68'5 



4-6415 



0*31137 



0*52540 



33 





28 



11 32 a.m. 



723 



4-6418 







F. 







2 55 p.m. 



73-9 



4-6408 



031181 



0*52567 







28 



11 40a.m, 



64-5 



4-6452 







F. 







3 4 p.m. 



67-6 



4 6456 



0-31061 



0*52501 



33 





26 



11 44 a.m. 



61-6 



4-6406 







F. 







3 13 p.m. 



68-1 



4-6410 



0-31138 



0*52548 



33 



* m = magnetic moment of vibrating magnet. 



2 i 2 



