458 Report of the Kew Committee. 



Observations of Deflection for Absolute Measure of Horizontal Force. 



Month. 



a. M. T. 



Distances 

 of 



Centres of 

 Magnets. 



Tempe- 

 rature. 



Observed 

 Deflection. 



-r m 

 Log x - 



Mean. 



Observer. 



18 78. 



d. 



h. 



m. 



foot. 





o 













OO 



1 9 

 10 



i&-±! Jr.m. 



10 



50 -3 



10 



ot 



1 o 

 LO 





T7 



i: . 







2 



28 „ 



13 



1 U 



K O ■ o 

 Oli O 



7 

 15 



2 

 36 



38 

 1 



9 -13057 



33 











IB 





7 



2 



10 





5) 





9^ 



OD 



1 9 



OO Jr.M 



10 



549 



10 



oO 



1 A 



14 





77 

 -T . 







2 



24 „ 



13 

 1-0 



52 -9 



7 

 15 



1 



35 



47 

 18 



9-13014 



33 











13 





7 



1 



48 





33 





93 

 oo 



1 9 



0/ P.JM. 



1-0 



28-2 



10 



37 



K.A 



04 





77 

 1 . 







2 



36 „ 



13 

 l -a 



1 K) 



Q1 -A 

 OX U 



7 



15 



2 

 37 



54 

 50 



9 '12967 



33 



1879. 









13 





7 



2 



48 





33 





98 



OO 



1 9 



J. «j 



17 P.M. 



1-0 



34-6 



lo 



on 



o 





1 . 





2 



19 „ 



13 



1 (J 



Q /f • O 



o4 O 



7 



15 



3 



38 



29 

 36 



9-13046 



33 











1-3 





7 



3 



16 





33 





9K 

 oo 



1 9 



27 P.M. 



1-0 



40-3 



10 



37 



A 1 



41 





1 . 





2 



27 „ 



13 



1 -A 

 1 U 



/( A • A 



4U 4 



7 

 15 



2 

 38 



49 

 5 



9 -13043 













13 





7 



3 



10 









9fi 

 ZD 



1 9 



25 p.m. 



10 



37-0 



10 



9)7 



37 



01 





77 

 1 . 







2 



22 „ 



1-3 



1 • A 

 1 U 



37 1 



7 

 15 



3 



37 



o 



2 



9 • 13001 



33 

 33 











13 





7 



2 



33 









98 



OO 



1 9 

 X^5 



17 P.M. 



10 



52-7 



10 



OO 



OO 





"I? 

 -C . 





2 



26 „ 



1-3 

 10 



KC • O 



0o ^ 



7 

 15 



1 



34 



42 

 7 



9-12988 



33 

 33 











13 





7 



1 



12 





33 





9fi 



OO 



1 9, 



lO 



99 TD M 



1-0 



63 -9 



10 



QQ 



OA 

 OU 





1 . 





2 



28 „ 



13 



a~i -a 



7 

 15 



o 



33 



53 

 25 



9-12994 



33 











13 





7 



1 



9 









OO 



1 9 



30 p.m. 



1-0 



61 -4 



10 



33 



7 K 

 10 





1 . 







/ 



2 



33 „ 



13 



1 -A 



X V 



00 o 



7 

 15 





 32 



52 

 7 



9-12962 



33 











IB 





7 







24 







July 



no 

 OO 



1Z 



24 p.m. 



1-0 



72 3 



15 



31 



OO 



do 





"I? 





2 



13 „ 



13 



1 -A 



1 o 7 



7 

 15 





 31 



7 



8 



9-12961 













1-3 





6 



59 



50 





33 





28 



12 



28 p.m. 



1-0 



65-4 



15 



32 



49 





F. 







2 



27 „ 



13 

 1-0 



66'8 



7 

 15 







32 



37 

 5 



9 -12974 



33 

 33 











13 





7 







37 





33 





26 



12 



29 p.m. 



1-0 



62-7 



15 



33 



11 





F. 





2 



36 „ 



1-3 

 10 



64-9 



7 

 15 



1 



32 







38 



9 -12974 



3) 









13 





7 







27 







