ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 113 
RUTHENIUM—continued. 
= 
Spark Spectrum 
Reduction to 
Wave-length Intensity Voie | Oscillation 
(Kayser) an Frequency 
Arc Spectrum Adeney eee Character | y+ i- in Vacuo 
2655°292 1 0°77 | 11:0 37649°6 
55°193 0 oN ass 51:0 
54:898 2654:90 2655°1 0 O276. | ss 55:2 
54°563 54:7 0 i + 60:0 
54:2 2 » ” 
54-01 » ” 
53°776 1 “ or 71:2 
53°240 53:2 1 3 - 78°8 
53°05 2 ” 
52°7 1 ” ” 
52°240 52°3 0 FD =p 93-0 
52°05 ” ” 
51-936 51°94 52:0 zt A cy: 97°3 
51-603 51:7 Rh? 0 Er rp 37702°0 
51:366 51°37 51°5 2 33 “ 05-4 
50-968 50°97 0 or _ 111 
50°693 50°6 0 op % 150 
50:486 50°49 50°4 1 3 op 17:9 
50°21 50:2 1 ny aa 21°8 
50-076 0 o 4 23'8 
49-608 49°7 2 s “ 30°4 
48-872 48°87 48:95 2 ay op 40°9 
48-706 0 By - 43°3 
48°535 1 a a 45°7 
47:019 48-1 1 sy y 53:1 
47394 47°5 2 A ne 62:0 
47-0 1 ” ” 
46°715 0 “ a 717 
46-087 46:09 46:1 2 . PD 80°7 
45°3 1 ” ” | 
44-711 44-71 44°7 0 Fi 3 37800°3 | 
44°187 0 3 fe 08°6 
43-600 43°60 43°7 0 ” ” 16:2 
43°3 2 op of | 
43°042 43°04 43-1 4 op Ae 242 | 
42°607 42:5 0 is Op 304 
42°3 1 ” ” 
42-063 42:06 0 ” % 38:2 
41-72 41°7 2 = “ 43°1 
41-549 0 3 55 45°6 
40°413 40°41 2 sme b S 19 
39°67 39-7 2 5 ii 125 | 
39°205 39°3 2 op a 79°4 
38°597 38°60 38°6 2 a3 PY 87:9 
38°5 1 ” ” 
38:2 1 = ” 
36°95 36°9 1 e ns 37911°6 
36-760 36°7 2 as 33 14:3 
36°617 36°62 0 3 5: 16°4 
35927 35°93 36°0 Pd 4 ” ” 26°3 
35°451 35°45 35°4 0 -n rh 33°2 
33°93 ” ” 
33°7 1 ” ” 
33°537 0 F. % 60°8 
32°85 32°9 2 5 3 70°7 
32°584 32°5 1 98 i 745 
1904, 
