ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 
RUTHENIUM — continued. 
87 
Reduction to 
Spark Spectrum 
Wave-length P 2 Intensity | Yeenum Oscillation 
(Kayser) noe ae : i an | er i es Sat) 
Are Spectrum Adeney Haschek aracter | y 4 == in Vacuo 
3481:044 0 0:97 | 81 28718°'8 
80°295 3480°30 3480°2 2 ” ” 25:0 
79°45 79°5 2 AB as 32:0 
776 In ” ” 
77°350 hee 0 “5 =, 55:0 
75:00 750 1 AG a 68:9 
* 73°900 73°90 73°90 5 ” ” 78:0 
73°45 73°4 1 a * 81:7 
72843 72°84 72°7 2 ” ” 86°8 
72°39 72°4 2 e a 90°5 
70:20 : 
Beedle: 70-0 1 As, 
69°5 1 55 a5 
68°1 In > . 
* 67:190 67°19 67°3 2 5 8:2 28833°6 
65°437 65°44 65°5 1 cpmel| Ree 48:1 
63°751 0 os oo 62:2 
* 63°289 63°29 63°2 4 : 3 64:0 
* 62-208 62:21 62:1 2 ” ” 66°1 
61°55 ” ” 
59°736 59°6 2 ay “o 95°7 
58°3 lb 0-9 on 
57°849 0 ” Hs 28911°5 
573 1 ” ” 
57:05 ” ” 
* 56°769 56°77 56°7 4 P. A 20°5 
55°888 2 a ze 27°9 
55°548 55°6 2 nh iy 30°8 
53°373 0 Ay A 49:0 
53°056 53:06 53°0 4 % “5 51‘7 
52°1 1 93 » 
51:014 0 A ne 68°8 
49-608 0 an B 80°6 
* 49°105 49°11 49°1 4 os = 84:9 
46°96 46:8 In vs ; 
46°630 2 m9 oh 29005°6 
46:227 46°3 2 Ps Fe 09:0 
46:095 46:10 0 ne oO 10°1 
45°675 0 “5 ne 13°7 
45453 1 “ re 16°4 
| 45:3 1 ” 9 
44°574 | 1 “5 % 23°0 
43818 | 0 cE Ss 29°3 
43309 0 a) ro 33°6 
41-942 0 % 5 45°3 
* 40°361 40°36 40°4 f ” ” 58°5 
39°835 2 ie a5 63:0 
38°819 0 ae Ay 715 
* 38-522 38°52 38°5 4 ” ” 74°1 
* 36°886 36°89 5r =5 ae 87:9 
* 36°481 2 = 55 91°3 
36°237 0 5 ss 93°4 
* 35°340 35°34 35°3 4 cs 3 29101:0 
34:93 f ¥ 
* Rowland and Tatnall: 3473-892, 3467:192, 3463:286, 3462:186, 3456-763, 
3449°107, 3440°351, 3438-510, 3436°883, 3436-475, 3435°327, 
