Atmospheric Electricity. ic 



TABLE II.— MEAN MONTHLY VALUES OF "a" FOR 

 BLOEMFONTEIN. 



TABLE III.— MEAN HOURLY VALUES OF "o" AT BLOEM- 

 FONTEIN ON lOTH FEBRUARY, 1903. 



Hour. 



7-8 



8-0 



9-10 

 lo-ir 

 11-12 

 12-1 



1-2 



Value. 



■0145 



•016 



•0225 



•0270 



■0135 



Hour. 



Value. 



