ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS 83 
RUTHENIUM—continued. 
Spark Spectrum Kee 4 
Wave-length Intensity Oscillation 
(Kayser) Hones and ne Tae Frequency 
Are Spectrum Adeney Tianchek aracter | y+ <- in Vacuo 
| 3683-730 3683-5 ! cil 1:02 | 7:7 27138°7 
82:5 In 35 5 
81:8 In 3 es 
* 78-465 367847 78:4 4 ” ” 7175 
78°222 78°22 78:2 2 3 % 78°6 
78:140 2 e 53 80:0 
a 77100 77:10 771 2 ri i 86°6 
* 76817 76°82 76°7 3 ” ” 89:9 
76°4 1 ” ” 
75°60 75°7 1 is 55 98-7 
* 75°408 75°41 754 3 % ” 27200°2 
* 72°525 72°5 2 5 5 21°6 
72°210 72°3 2 33 # 23°1 
* 71:363 71:3 2 a . 30°71 
* 69°694 69°69 69°79 4 ” ” 42°5 
68-890 68°9 1 3 5 55°8 
67:1 1 33 3 
65:4 In a Ee 
: 64-1 1 ” ” 
* 63°526 63°53 63°53 5 2 ” 88-4. 
* 61-727 2 on 33 27301°8 
* 61-486 61°49 61°57 a 2 ” 03°6 
*  60°964 60:96 61:0 3 Fe 3 07°5 
60°25 60-2 2 rr Ss 128 
59°55 ” ” 
59°0 1 ” ” 
57-716 57°72 57°82 1 101 Ae 32°9 
57°315 57°32 574 2 2 ” 34:8 
56°50 56°7 1 oo FP 40°9 
» 56:112 2 3 3 438 
* 54-559 54°56 | §4°55 4 Fr - 55°6 
53°857 53°86 53°9 2 ” ” 60°6 
53°00 53°0 1 my 5 67:1 
§2°816 0 eS r; 68°4 
§2°627 0 a 35 69°9 
em «62-465 52°47 | 62°5 3 re 3 Alc 
* 50-473 50°47 50°48 4 % 2 87:0 
50°0 1 ” ° 
49°75 ” ” 
48°85 ” ” 
48:0 Fe 1 se 33 
475 1 ” ey) 
* 46:266 46:27 46°3 3 ” ” 27417°6 
45'827 | 1 er. 3 20°9 
7 | | 413 1 er ” 
* 40-791 40°79 i 740"7 | ct BEM) os 51:3 
i) * 638°163 38°16 38°2 2 - 78 78°6 
| * 37-614 37°61 37-62 4 smh | ea 82-7 
| 37°0 1 » ” 
* 35°661 35°66 35°6 4 as 3 97°5 
* 35°093 35°09 35°10 a ” > 27501°8 
* 34-063 34:06 34:1 4 5: “ 09-6 
* Rowland and Tatnall: 3678:456, 3677-098, 3676-808, 3675°400, 3672°521, 
3671°355, 3669-688, 3663°520, 3661-721, 3661°525, 3660-961, 3654-549, 3652-460, 
3650-465, 3646-262, 3640-786, 3638-161, 3637 ‘612, 3635°658, 3635-084, 3634064. 
’ G2 
