412 M. H. Becquerel's Experimental Investigations 

 Oxygen, 0'9730 + O027 Nitrogen. 



Series. 



Average \ Average 

 tempera- pressure, 

 ture, t. I H. 



~ , . Numbers 

 Correction,! obseryed 



"■• I rections. 



Corrected 

 magnetic 

 rotations. 



Feb. 28,1880. 



March 3, 1880. 



White light. — 3rd image (7 passages), 

 millim 



12-0 



24- 



797-5 



810-3 



0995 



1-022 



8-55 

 Corr. 3-79 



Diff. 4-76 



I 4-73 

 J 



8-12 

 Corr. 3-79 



I 4-42 



Diff. 4-33 



J 



Yellow light. — 3rd image. 



Feb. 28, 1880. 240 



March 3, 1880 



831-0 



0-996 



8-58 

 Corr. 3-79 



Diff. 4-79 



4-77 



>> >> 



Feb. 28, 1880 



March 3, 1880 



19-2 



796-9 



22-8 



807-5 



29-7 



819-0 



Red light. — 3rd image. 

 1-022 



1-023 



1-029 



Green light. — 3rd image. 



8-69 

 Corr. 3-19 



5-62 



Diff. 5-50 



J 



814 

 Corr. 319 



1 



| 5-04 



Diff. 4-93 



8-39 

 Corr. 3-19 



[ 5-34 



Diff. 5-20 



J 



25-3 



834-0 



0-995 



9-65 

 Corr. 4-85 



I 4-77 



Diff. 4-80 



330 



830-7 



1025 



10-63 

 Corr. 485 



Diff. 5-78 



I 5-92 



24-7 



807-8 



1-026 



8-83 

 Corr. 4-85 



Diff. 3-98 



l 4-08 



34-8 



833-6 



1-028 



10-05 

 Corr. 4-85 



5-20 



[ 5-34 



The average of all the observations made March 3rd on the 



