248 
MR, W. CROOKES ON THE SPECTRA OF ARGON, 
WILLIAM Crookes. January 24, 1895. 
THE Two Spectra of Argon, 







Blue. Red. 
Wave-length. | Intensity. Wave-length. Intensity. 
| 
| 764-6 2 
750°6 A 
UBYP Tl 3 
| 726°3 | 2 
| 70564 | 10 H 
| 696°56 9 
| 684-2 | 2 
| 675°4 6 
666°4 6 
662°8 4 
640:7 9 
637:7 2 
630°2 4 
628:1 2 
623°2 4, | 
621-0 6 | 
617-3 6 617-73 6 | Coincident. 
6143 2 | 
612-0 6 | 
609°9 4, 
605:6 2 | 
604:5 3 
603°8 8 603°8 8 Coincident. 
593°5 ] 
592°6 4 592°6 4. Coincident. 
590°9 6 
588°7 6 
585°8 4, 
583°4 2 
580°3 1 
5771 2 
5 74°6 6 
568°3 2 
565°] 9 
561:0 9 
556°7 2 
555°7 10 
552:0 ] 
55071 2 
549-65 8 
545°6 6 
54404. 2 
542:1 4. 
525°8 6 
522:2 7 
518°58 10 | 
5165 9 | 



