Report of the Kew Committee. 93 



Observations of Deflection for Absolute Measure of Horizontal Force. 



Month. 



a. m. t. 



Distances 

 of 



Centres of 

 Magnets. 



Tempe- 

 rature. 



Observed 

 Deflection. 



t m 

 -Lug — ■ 

 & X 

 Mean. 



1880. 



d. 



h. 



m. 



foot. 





o 











9ft 



1 9 



32 p.m. 



10 



54 -3 







Q 

 O 









2 



35 „ 



1-3 

 i -a 



DO o 



7 

 15 



1 



35 



11 



7 



9-12956 











13 





7 



1 



42 







_ >J 



1 9 

 L — 



20 p m. 



10 



57'2 





39 



H 

 4 









2 



18 „ 



1-3 

 1-0 



55 -6 



7 

 15 





 31 



28 

 23 



9-12846 











13 





6 



59 



59 







93 



1 9 



35 p.m. 



1-0 



54-3 



1 5 



39 



31 









2 



27 „ 



13 



1 -A 



KA 'K 



7 

 15 







32 



29 

 



9 -12857 



1881. 









13 





7 







28 







28 



12 



27 p.m. 



10 



41-5 



15 



33 









2 



28 „ 



1-3 

 1 U 



y 



7 

 15 



1 



33 



2 

 8 



9-12826 











1-3 





7 







48 







24 



12 



34 p.m. 



10 



41-0 



15 



34 



55 









2 



37 „ 



13 



1 -A 

 1 V 



A.O • A, 



7 

 15 



1 



34 



40 

 



9 -12870 











13 





7 



1 



11 







25 



12 



26 p.m. 



1-0 



46*6 



15 



39 











2 



46 „ 



1-3 



1 -A 

 1 U 



AO. 'K 

 48 O 



7 

 15 





 32 



42 

 25 



9-12824 











13 





7 







27 







25 



12 



38 p.m. 



1-0 



60-4 



15 



29 



T7 

 J. / 







2 



36 „ 



1-3 



£9 -Q 



o4 y 



6 

 15 



59 

 28 



8 



39 



9-12761 











1-3 





6 



59 



3 







26 



12 



27 P.M. 



10 



65 '8 



15 



29 



53 







3 



27 „ 



13 



1 -A 





6 

 15 



59 

 27 



25 

 31 



9-12787 











13 





6 



58 



17 







28 



12 



24 p.m. 



10 



67 *3 



15 



9Q 











2 



37 „ 



1*3 



1 -A 



1 u 



Do 1 



6 

 15 



59 

 28 



21 

 10 



9-12795 











13 





6 



58 



31 







28 



12 



27 P.M. 



ro 



72-1 



15 



9Q 



48 







2 



39 „ 



1-3 



1 U 



16 O 



6 

 15 



59 

 27 



19 

 47 



9-12824 











1-3 





6 



58 



24 







26 



12 



37 p.m. 



10 



68-9 



15 



28 



51 









2 



36 „ 



1-3 

 10 



68-2 



6 

 15 



59 

 28 





 16 



9 -12778 











1-3 





6 



58 



22 







28 



12 



28 p.m. 



10 



61'4 



15 



30 



51 









2 



36 „ 



1-3 

 10 



63-8 



6 

 15 



59 

 29 



50 

 33 



9-12818 











13 





6 



59 



14 





