ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 9 
RUTHENIUM—continued. 
OS 
Spark Spectrum 
Wave-length 
(Kayser) 
Are Spectrum Adeney 
#3254674 3254°67 
53°36 
| 53°136 
| * 53°038 
. 52-683 
52-400 
* 52:031 52:03 
* 51°464 
51°10 
50°605 
50°065 50:07 
48:977 
48-04 
47°501 47°50 
46-380 46:38 
45°746 45°75 
44:719 
44:585 
44:°475 
* 43-638 43°64 
42-978 
42-283 42-28 
41884 
41-643 41°64 
* 41°362 41°36 
* 39°745 39°75 
38-904 
* 38°667 38°67 
38-132 
36101 36°10 
35°85 
35-431 
35230 
34-920. 
34°39 
33°650 
* 32°881 32°89 
32°180 
31°869 31°87 
30°738 
29°881 
28-850 
* 28°651 28°65 
* 28:276 
* 28°021 
* 27-016 27:02 
* 26°497 26°50 
25°418 
25-03 
24:72 
24:18 
* Rowland and Tatnall: 
Exner and 
Haschek 
32545 
53:2 
3254°670, 3253:041, 3252-029, 3251-459, 
Intensity 
and 
Character 
Reduction to 
Vacuum 
Oscillation 
Frequency 
in Vacuo 
eo WONnrKNNe 
KDE COUN WNHNRONNOEPRONNNONNOUNWROONNNOKFOCOOCOFMNNS 
, | 89 
” ”? 
307154 
28°8 
30°9 
31°8 
35°1 
37°7 
41°] 
5243°632, 
3241°360, 3239-727, 3238-660, 3232°872, 3228-651, 3228-280, 3228-007, 3227-027, 
3226°502. 
