ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 165 
IRIDIUM—continued. 
Sess ace Buea Pyectem | Reduction to | 
| ees : ie a fi Wel = Be | 
Wave-length i ) Wave-length x2) Vastom Oscillation | 
== _. = || Ditensity| eee ol Tatensity| == | Hrequency 
pieauisidaid and Ex a and 1 in Vacuo 
Koysor | messed Jonarnter, Hunerand lonaracten) ax | 2 
2785°2 1 0:80 | 10°4 | 35894: 
2783-797 0 | | 0-79 » | 309118 
83-492 0 83°5 1 all eae, 15°7 
83:1 1 Fa ee 21° 
82-885 0 Fe ieee 23°5 
82°5 In oe s 27°5 
82-342 0 aoe eee 30°5 
81-7 1 See nd 39° 
81-401 2781:42 4 81:3 2 as 3 42°6 
81-047 81:07 1 81-0 1 oan eee 47-1 
80°507 80°55 1 = Ae 54:0 
79°752 1 79°3 1 es oe 69-9 
| 78°6 1 99 59 79° 
| 76:0 1 PP AS 87° 
77°645 oa 3 91-3 
77:536 77°55 2 | 17-4 1 hates = 92-6 
77:149 j Pe 5 97°7 
763 1 roe lee 36009: 
75646 75°65 3 75°5 2 io iy 17:2 
75073 75:09 1 74:9 6 ‘5 10°5 24:5 
74685 74:73 il 3 5s 29°3 
74:05 1 ioe. ll ce aoe 37°9 
(BG) =) al yaaa Ns 45: 
73°0 1 emt eer 52° 
72547 72°58 3 72°5 1 ps a 57-2 
71711 71:76 es x 3 67:0 
69°6 1 o 5 96- 
69:3 1 ati a 36100- 
68°8 1 os ne 06: 
68°5 1] “ os 10: 
67°764 67°76 1 67°6 i) a <6 19°8 
67-423 67:47 2 | | 23°9 
66:9 1 eee patiat me 
66°3 1 a3 Hp 39° 
65:9 a AS re 44- 
65-4 ] oo FS 51 
65-2 1 5 aear || 53° 
64:8 1 Be i 58° 
64-1 1 Fe a: 68- 
| 63-9 | 1 ” ” 70: 
/ Gare yr. I) | < 76° 
63°287 0 63°3 2 ” ” 78'S 
62°7 2 ar elt 86° 
62-1 In BS ES 94- 
61°700 0 FS a 99-1 
61:227 0 61:3 In o 6 36205°3 
60-474 0 | oP “6 15:2 
60-207 0 606 | 1 A ry 18-7 
60-009 60:00 2 ” ” 21-4 
59°8 1 a + 24- 
59-405 59°42 2 59°4 1 ” ” 29°1 
59-100 59-11 In 9 ” 33°5 
58°8 In os e 37° 
58°4 1 oes a 42: 
