304 The Ultra-violet Spectrum of Radium. [Aug. 1, 



2 log A 3 6-9022420 



2 log A! 6-8984593 



log 0-131020 1-1173376 



log numerator 12-9180389 

 log denominator 6-0194269 



2) 6-8986120 



3-4493060 = log 2813-883 = A 2 (approx.) 



2 log A! 6-8984593 2logA 3 6-9022420 



log 0-107143 1-0299638 logO'023877 2-3779798 



log 848053-20 5-9284231 log 190643-44 5-2802218 



848053-20 



log 1038696-64 = 6-0164887 

 log numerator 12-9180389 

 log denominator 6-0164887 



2) 6-9015502 



3-4507751 log 2823-418 = (approx.) A 4 

 But A 4 = 2823-389 

 E 4 = 0-029 



3logA 2 10-3479 3logA 4 10-3523 



log 0-005310 8-7251 log 107143 1-0300 



log 0-12571 1-0994 log 0-023877 2-3780 



log numerator 7-1724 7*7603 



log denominator 9-2979 logO'029 2-4624 



3-8745 9-2979 



.-. E 2 = 0-007 

 A 2 = 2813-876 



