114 REPORT—1904. 
RUTHENIUM—continued. 
Reduction to | 
Spark Spectrum 
Wave-length | A 2 | Intensity aS Oscillation 
(Kayser) E a and 1 Frequency 
| Are Spectrum | Adeney Hache | Character | 4 3 in Vacuo | 
2632-210 | 2632-4 0 | 0°76 11:0! 37979-9 
31°657 / 31:7 1 eee i! 87°8 
| 315 1 ” | ” 
2631-22 31°3 2 st kas 94-1 
30°314 1 = >c 38007°1 
30°19 30°2 2 + oo 090 CO 
30°010 0 += mS 11°6 
29°49 29°5 1 a = 19-1 
28-91 B29 | 2 iP AG Bo 27-5 
28-621 0 9 | 31°6 
28°375 28°38 | 283Pd? 4 ” | 35:2 
27°90 | ” ”? | 
27°737 27°74 ) 1 a | eee 445 
27°5 1 Ss. | Lioe 
26°60 26°5 2 eh i595 60:9 
26°444 0 aS <5 63-2 
26290 | 26-1 0 pote fates 65-4 
25°95 | rad ee 
25°59 25°6 1 = Ss 75°6 
25°5 2 ” ”> | 
25-168 25°2 0 ~ = 81-7 
24°87 | 249 1 * = 86-0 
24°35 |; 24:3 1 “s 2 93°6 
23-914 1 +s 99°9 
23-76 | 23-7 In * & 38102°1 
23°51 ” ” 
| 21 1 a le 
| 22-9 1 sae he 
22-4 In RYU ss 
21°91 21-9 1 42 - 29-0 
21-46 | 24-4. 1 oth os 35°6 
21:173 | 21:2 0 ss Sibees 39°8 
20-713 20°71 20°8 2 7 = 46-4 
207154 | 20-15 20°2 0 2 = 54°6 
19°745 19°8 2 -- - 60°5 
19°42 19°5 2 = + 65°3 
19-105 19°2 0 -A = 69°8 
18-68 ” ” 8 
: | f 18-0 1 ~ “r 7°7 
17-882 { = 44 : wi pes 
17-29 17-2 2 3 + 96°3 
16°50 16°5 1 Pe! Mare 38207°9 
15-7 1 ”» ” 
15179 15°18 15-2 2 = | = 27:2 
14°93 15-0 2 Ss = 31-0 
14-671 14:8 Pd 2 A 5a tl 34°6 
14151 14:15 14-2 L = == 42:2 
14-0 In os the Se kl 
1337 | 13-4 In i 53-6 
137143 0 5 +. 57°0 
12-990 0 ae 59-2 
4 12-63 12-6 2 Aa eee 64°5 
IZA |) A217 12-2 2 - ae 71:3 
11-99 12-0 1 ” ” 73°9 
/ 11-63 11°6 2 se = 79°2 
11:130_ lee | 74 2 = aan 86°5 
