ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 109 
RUTHENIUM— continued. 
Spark Spectrum pean ial 
Wave-length Intensity say Oscillation 
(Kayser) uy Gee Boe and 1 Frequency 
Arc Spectrum Adeney oe Character | 4 = in Vacuo 
| 2760°88 2760-9 2 0°79 | 10°5 36209°8 
2760:268 | 60:27 | 602 0 as 93 17°8 
| | 59°8 1 ” ” 
| 59°35 59°3 1 ” » 29°9 
59-0 2 AY FF 
| 58°5 1 ” » 
58°104 58°10 | 58:0 0 ” ” 46°3 
57°912 | 1 # * 48:8 
| | 575 1 ” ” 
57:175 / 57-1 0 2 a4 58°5 
56°7 1 9 =| 
| 56°6 1 ” ” 
56°46 56°5 1 rE > 67°9 
56-0 1 ” » 
55°30 Fe “| 55°9 1 nN 
55°5 1 » » 
55°30 55:3 2 7 Seale 832 
54:3 1 soe 3s 
53°543 | = 5354 53°6 2 9 | os 363063 
52°868 52°87 52°94 2 Eeiiikee Rat 15:2 
52°548 52°55 | 52°59 2 a a 19°5 
52°14 | §2°3 2 3 4: 24:8 
51-698 | 51:9 0 ” FP 30°7 
| 51-6 1 ” | ” 
| 51:0 1 sot anal 
50-452 | 506 0 Fe 10°6 47°0 
49-923 0 A cf: 54°1 
49°66 49:7 2 9 + 57°5 
49:26 49-4 2 is 5 62°8 
49-2 2 2 6 | 
48-7 1 ” ”? 
48°3 In 6, . 
48-03 | 48-08 4 - of 79°1 
| 47°62 | 47-7 1 sh) LNs 84:5 
46°991 47:00 he eee 0 fo hacen 92°9 
46°75 468 2 9 ” 96°1 
46-169 46°17 46-2 0 ” ”» 36403°9 
45:90 45°98 | 4 = oH 07°3 
45°343 0 FP *5 14:7 
45:22 45°22 4 Pr ay! 16°3 
44°821 0 AD “4 21°6 
44-541 44°54 44°62 2 a = 25°3 
44:022 44:02 44:10 2 s rE 32°3 
43°57 | 43°62 4 % An 38'3 
—— 43°3 In sok alas 
| | 42°6 2 adel beeeD 
42°15 | 42:2 1 Bil ae 57:1 
| 41°7 In 0-78 = 
| 415 1 ” ” 
| 41-4 In t 35 ” 
ome: ag 2 ” ” 
40°327 40°3 1 3 op 81-4 
40-085 0 Py +5 84°6 
39°68 Fe | 39:8 In % 38 
39°311 39°40 | 39-4 4 ayer it, ge al 94°9 
39:1 1 ona ies 
