ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS, 81 
RUTHENIUM—continued. 
Spark Spectrum Beteetion 
Wave-length Intensity Oscillation 
(Kayser) and ob Frequency 
Are Spectrum Adeney 2 ela Character | ,, | 1_ in Vacuo 
3782:891 3782'89 3782°8 0 1:05 | 7:4 26434°3 
81:313 81°31 81:25 3 ” ” 38-4 
80:20 80°1 1 i 3 46-2 
- 78:90 78:9 2 “E <5 55:3 
78:00 78:0 2n a a5 616 
aid 123 77°72 77°78 3 ” ” 63°6 
74:6 1 1:04 35 
* 73°306 73°31 73°4 0 ” ” 94:5 
71-244 71°3 0 oe 15 26509:0 
70:0 In x PS 
69°3 1 ” » 
* 67:500 67°50 67:50 4 a3 3 353 
65-938 66:0 0 5 6 46°3 
* 64:179 64:18 64:3 1 a es 58:7 
64:00 64:0 Fe 1 os zs 
62°7 1 ” ” 
* 61:644 61°64 61:70 4 5 As 76°6 
* 60-178 60:18 60°15 4 a3 FS 87:5 
* 59-976 59:98 60:00 2 o -) 89-4 
58°50 58°5 1 a :5 98:9 
57°80 57°8 1 ” ” 26603°S 
57°40 57°4 In = > 06°6 
* 56-083 56:08 56:07 4 * ” 16:0 
* 55865 2 * a 186 
* 55-241 55:24 55:2 3 53 3 21:9 
* 53°695 53°70 53°70 4 ” ” 32°9 
53:00 53°0 1 4 a5 378 
52°70 ” ” 
52°00 52:0 1 33 Bs 45:0 
50°60 50°6 1 a sy 54°9 
49°60 » 9 
48°40 ” ” 
48-15 ” ” 
47:15 47-1 1 on 2 79°4 
46:372 46-4 2 . a 85:0 
46:00 2? ” 
45°75 45°72 6 a5 : 89-4 
44-550 44:55 44:55 2 » » 97:9 
* 44-367 44:37 44:35 2 es ” 99:2 
43°45 43°5 1 es F 26703°8 
* 42-938 42:94. 42:95 4 “A 5, 09°5 
* 49-435 42°44 42°45 5 “3 -e 13-0 
| 40°5 1 ” ” 
* 39-622 39°62 | 39-60 4 “ i, 33-2 
* 39-058 39:06 | 39-1 2 ss 4 37:2 
* 38-774 38°77 38°8 Pd 2 ‘i 3 39-2 
* 37:904 37°90 2 1:03 rs 516 
* 37:°548 37°55 37°5 3 5 s, 48-0 
35:00 Fe 35:0 2 is 5 663 
34:70 34°6 2 an Pa 684 
33°90 34:0 In 3 Ss 74:1 | 
* 33-187 33:3 2 ata 792 | 
* Rowland and Tatnall: 3778-853, 3777°729, 3773°314, 3767:495, 3764173, 
3761°655, 3760°163, 3759-979, 3756°075. 3755°868, 3755:234, 3753-684, 3744-363, 
ae, 3742°422, 3739°610, 3739:057, 3738-773, 3737 902, 3737 540, 3733°188. 
G 
