ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 85 
RUTHENIUM—continued. 
Spark Spectrum aes Bee : 
Wave-length Intensity Oscillation 
. (Kayser) Pale ot ee and i on i Frequency 
| Are Spectrum Adeney Huschek Character | ) + ae in Vacuo 
*3579°923 3579°92 3579°8 0 1:00. |) 7:9 27925°7 
78°90 78°7 1 ” 5 33°7 
i 77°55 776 | 1 0-99 Fs 44:2 
77:10 771 | 2 nf a 47°7 
76:17 ti 33 » 
75'1 1 a0 |) ce 
* 74744 74°74 74:7 3 BN aes 6671 
74:00 ” | EE) 
73°8 Ir 1 Seana css 
73°3 1 » |» 
72°13 72:1 1 7” np 86°6 
5 719 1 ” ” 
* '70°743 70°74 70°74 1 of “ 97°6 
68°6 1 ” ” 
* 67:308 | 67°31 67°3 2 » » 28024-4 
66°59 66°6 2 Ais oe 30°0 
| 65°5 Fe 1 AS - 
* 64°945 64°95 65°0 0 2 Fy 43°0 
* 64-714 64°71 64:7 1 os a 44°8 
* 64:517 64°52 64-6 0 ” » | 464 
| 63°7 1 ” ” | 
63°3 1 53 Sor) al 
62°75 62°7 1 op ae 60°3 
* 62°035 62°04 62:1 0 ” » 65°9 
61°83 61°7 1 oS oe 67°6 
61-2 1 » ” 
60°85 60°8 Os 2 Fe of 754 
60:00 | 60°0 1 a =p 82:0 
} 59°8 1 ” ” 
* 57:203 57°20 | 87:2 0 Ysa ” 28104°1 
57°0 Lu ” » 
* 56°779 56°78 56°8 0 ” 2 O7°4 
* §4:002 54:00 53°9 1 fr a 29°4 
50°73 | 60°7 1 cs 3:0 55-2 
* 50-420 50°42 50°4 2 he ce 58-4 
49-90 49°8 1 Br aa 61°8 
48-70 48:6 1 a 53 713 
* 47°136 47°14 47:1 1 2 » 83°7 
45°9 2b | ” oF) 
42°7 1 | ” 2? 
* 41°788 41-79 41°7 3 » >» 28226°3 
41-1 1 ” 9 
40°9 1 ” ” 
40°3 1 ” » 
* 39°518 2 = of 44:8 
* 39°418 39°42 39°40 2 ” ” 45:2 
* 38°100 38°10 38:03 3 %3 2» 55°8 
36°78 36°7 2 0:98 || 55 66°3 
* 35:985 35°99 36:0 2 ” » 12°77 
* 35°529 35°53 35°5 2 ” » 76°3 
* 32°965 32°97 32°95 2 ” ” 96°8 
* 31°545 31°55 31°5 3 ” ”» 28308°2 
29°26 29°4 2 a -e 26°5 
* Rowland and Tatnall: 3579-924, 3574-748, 3571-913, 3570°748, 3567-309, 3564-949, 
3564719, 3564°509, 3562-043, 3557-207, 3556°773, 3553°998, 3550°419, 3547-131, 
$841°777, 3539°521, 3539415, 3538-100, 3535°988, 3535°537, 3532-962, 3531-543, 
