ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 105 
RUTHENIUM—continued. 
Spark Spectrum Reduction to | 
Wave-length Intensity | Vacuum Oscillation 
(Kayser) and Frequency 
Are Spectrum Adeney Bet ond Character | 4 <- in Vacuo 
| 2870°8 | 2 0°82 | 101 
2870°53 70°6 In i » | 2&4826°8 
2870°322 2 oe 9 29-2 
69-047 69°05 69:1 | 0 - on 44°8 
68-662 0 = A 49°3 
68-426 68°43 68°5 2 a 3 52:2 
68-286 2 3 58 53°9 
| 67°20 67°3 1 53 ze 67°1 
66-743 66°74 66:9 5 S “ 72:7 
66°41 66°6 2 5 - 76°7 
66°19 66°4 2 ts aa 79°4 
65°65 65°7 2 ; ¥ 86-0 
64°726 0 0°81 rf 97:2 
63°33 63°5 2 is es 34914:2 
63°112 63:1 2 Fr oy | 168 
62-963 62°96 0 ; rae 22°8 
62°5 In “ * 
61°833 62:0 1 oS 35 32°5 
61-508 61°54 61:6 5 e oS 36°5 
61:17 61:3 1 Noes, es 40°6 
60°95 61-1 1 53 re 43°3 
60-491 60°49 0 yon fe 48°9 
60-114 60°11 60-2 + 55 es 53°5 
60-0 2 ” ” 
59-9 2 35 Bayt 
59°65 59°6 In i ea op Yl 
58-693 58-69 59-1 0 a a 68°8 
58:0 2 » 9 
57°88 9 0 
57:770 0 = Rea 82:2 
57°367 57°37 57°4 1 EC A: | 87:2 
56:67 56°7 2 ns ane Ml 95°7 
56°3 1 ” 39 | 
56°153 56°1 2 ” » 35002°0 
55995 55:9 2 5 = 04:0 
55:454 55°45 55°5 0 5 ne 10°6 
55:01 55:1 1 pe = 1671 
54°820 54°82 54:9 0 9 x 18-4 
q 54-465 54:3 0 A By 22°8 
54°173 54:17 4 45 a 26:3 
53-433 53°43 0 ss weit'| 35°4 
; 53°28 53:3 2 BS Hei] 37°3 
, 52°7 1 spunea t 
52-4 1 ” 2 | 
! 51-225 1 >> shell 62°5 
50°86 50°'8 2 Ar » | 67:0 
50°3 In = oe, ot 
49°73 49-7 2 3 A 82:2 
49-399 49°40 49-4 0 = oneal 85:0 
48-688 48°8 1 sant eeaet bl 93°8 
47°72 47°8 1 a 10:2 35105°6 
47°25 47:3 1 ott wl See 11-3 
46-9 1 Ce aa 
46662 46°7 0 fe | 18°6 
46°430 46°5 1 oe os 21°5 
45°3 or) i) 
