100 REPORT—1904. 
RUTHENIUM—continued. 
Spark Spectrum Reainetton oo 
Wave-length Intensity Fil ee Oscillation 
(Kayser) i. eat and a ee Frequency 
Are Spectrum Adeney eee eat Character | , 4 <a in Vacuo 
3025:212 0 0°86 | 9:5 33046-1 
3024-0 3023-7 1 55 as 59:3 
23:05 22:8 085 | ,, 69-7 | 
22-72 22:5 1 = Bs 73-4 
* 20-989 20:99 20:7 2 * i 93°5 
20°5 1 ne 3 99:1 
20:360 0 5 55 33104°4 
19-876 19:88 19°6 0 a sp 08:9 
19-472 19:2 2 3 4 20'8 
18°38 18°3 Os 2b * ed 
18-158 18°16 2 a “5 23°3 
176 2 ” ” 
17°356 17:36 17-32 5 + os 32:1 
16:818 0 aS fe 38:0 
16°10 15°8 2 a ‘ 45°8 
15°60 15°3 2 $5 S 51-4 
14°5 i ” ” 
14-312 14-3 14:3 0 . sh 65°6 
* 13-477 | 13:48 13-3 3 5 - 748 
13-172 0 % fe 78:0. 
* 13:040 + ” ” 79°6 
12-003 12-0 0 x 5 91:0 
10-623 10°62 10°3 2 5 ie 33206:2 
09:798 09:80 0 hy 3 15°3 
09:2 1 ” ” 25°1 
* 08-911 08:7 2 5 ss 27°5 
08-695 0 # s 30°9 
* 08-387 08:2 2 + x 35°2 
08:00 07°8 1 ” ” 
07:2 1 ” ” 
* (6°708 06°71 06°75 4 35 x 49-4 
06-094 05°8 2 35 5 56:2 
05'1 2 ” ” 
04-708 04:6 2 = oa 71:6 
02600 02°60 02:4 2 2 co 94°9 
027188 0 a ma: 99°5 
* 01°756 01:76 01-6 3 5 < 33304:3 
01:0 1 ” ” 
00°341 00°57 00°3 2 es 175 
00-00 . » 
2999°6 2 by 34:8 
2999-011 2999-01 98-99 1 3 - 411 
* 98446 98°45 98-2 3 > > 55°0 
98-09 98-0 1 % * 48-9 
* 97-743 97°74 97°6 2 * : 53°5 
* 97:34 97-4 1 ee 9-6 58:3 
* 97-011 96:89 96°6 1 5 ip 63-4 
96:44 96:2 1 BS + 68-1 
96:01 95:8 1 Fb % 78:4 
* 95-083 95-08 94:7 5 95 5 84:5 
94°54 94°5 1 ” ” 
93°6 1 ” ” 
* 93:387 93:1 3 asl age 97:4 
* Rowland and Tatnall: 3020-985, 3013-468, 3013-030, 3008-906, 3008-366, 
3006°699, 3001°751, 2998-458, 2997-730, 2997-536, 2997:006, 2995-077, 2993-385. 
