96 REPORT—1904. 
RUTHENIUM—continued. 
Reduction to 
Spark Spectrum 
Eo net a Intensity acuum | Oscillation 
ayser) an are | Frequency 
Exner and 1 i 
Are Spectrum Adeney Haschek Character | y+ =o in Vacuo 
3154:°543 2 0°89 | 9°0 31691°3 
* §3°927 3153°93 3153°7 4 : ” 97°5 
52°35 62-2 1 Coa =F Slike 
51-780 1 Pe x 19-1 
51:25 §1°3 1 feet = 24°4 
* 50°803 50°80 50°5 | 4 Vaiss aa 28:9 
50-283 1 = - 34:2 
49-7 1 9 2 
49:3 1 ” 9 
48593 48°59 48°7 2 Pe a 51:2 
48-138 | 0 a op 55:8 
47°547 47°55 47°62 0 “6 55 61:8 
* 47-323 2 o. * 64:0 
46183 46:18 | 46:0 2 + 9-1 75°5 
44-820 2 A 5 89-0 
* 44-369 44°37 | 44:2 4 a =e 93-8 
43°764 43°76 | 43-80 } 0 a5) umes 31800-0 
43°46 | 43°40 4 Pe “ 03:0 
41°66 | 41°5 2 O88") ¢; 21:2 
* 41°081 41:08 40:9 4 Pry ” 27:1 
* 40-596 40°4 3 ame “ec 29:0 
40-201 1 {ates > 36-0 
39°379 39°65 39°5 Pt? 2 ” ” 41:6 
38-884 2 re An 49°4 
38:0 | 1 ” ” 
37:036 0 spe ll eeoe 68-2 
* 36°663 36°66 | 3 Puede a3 719 
36°451 365 | 1 eek aaa 74:1 
36:044 36:04 35:98 | 2 3s OMS lap ess 78:3 
35°48 | ” ” 
35°170 35'1 | 0 = a 87:2 
34°895 34:90 | 34:98 | 1 ss oe 89:1 
33°800 2 Ley lies 31901-0 
aR ea lhe 1 FS a 
* 32-988 32-99 ae Bs 8 09:3 
32°6 2 Peel cr 
32°5 2 % % 
32°122 1 An 5 18:2 
30°709 0 a ty 32°5 
* 929-935 es 5s ay 40°4 
29°717 29:7 2 7 42°7 
29°574 29°5 0 ‘o 7 44°] 
28'8 In ets ss 
28-539 2 Boreal Gs 54°7 
28:07 28:05 4 SA lee, 59°5 
27°643 0 Ff o 63°9 
27:387 1 eae a 66°5 
26°730 26°73 26°75 2 ae oc 73:2 
* 26-068 4 3 7 80:0 
25°7 1 ” ” s 
24:98 ” ” 
* 24-709 24:6 | 2 ” ” 93-9 
* Rowland and Tatnall : 
3140-604, 3136°671, 3132-995, 3129-951, 3126-075, 3124°720, 
3153941, 3150°816, 3147°326, 3144:383, 3141-094, 
{ 
