MAGNETISM 



10 7 . Various later measurement* of the separation of the lim 

 known fields have shown that elm ob; n thU way is a 1; 



different for lines in dillri ^, but that it is the same for 1 



in the same series. Tli- \alue is very near to 1*77 X i 



which again is very near to tl iet measurements of 



elm for the kathode rays and for p ra\ I, 



