ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 133 
IRIDIUM— continued. 
Are Spectrum Spark Spectrum Heanor te 
aa 5 SSeS V ane 
Wave-length 2 _ | Wave-length : ie late a 
aS ; __ | Intensity! fii) intensity) =o — ‘requency 
: Exner and = Exner and ee 1 neh grees 
Kayser Fnackok \Character) “Ty, schek Character} A+ we 
4008°5 1 110 | 70 | 24940- | 
07:9 1 43 + 44: 
07°5 1 a ¥ 46° 
06-7 - 1 ” ” 51 
06°3 1 = Be 54: 
4005°717 1 05-6 1 » | oo 57°3 
05-164 4005-19 In 05:0 1 er _ 60°7 
02-0 1 - ell 81- 
01's - In 3 ay 82 
00-6 1b 2” ” 89 
3999-0 In SS Pe 99- 
3996-602 0 96-6 1 a 7 25014-2 
95:9 1 FS a5 19- 
92-277 3992-30 5 92-2 6 me 33 41:2 
90°5 1 33 i 53° 
In1pIuM—continued. 
| Are Spectrum Spark Spectrum Hidndkion ta 
Wave-length Wave- Wave- tT? Oscillati 
amet [Tatee-| lngib [Tate tones | Take | ————— regency 
sity ea Or sity | teats) ee ‘ 
E and | » and and 1 in Vacuo 
Kayser on! a ee Cha) Tanse pa a is 
4 | Haschek racter Hacchere racter racter | 
3989:575 2 1:10 | 7-1 | 25058: 
3989-2 1 ” | ” \ 61: 
87-963 2 88:0 | I mt B 68-4 | 
87:5 ) 1 ” ” 7A 
865 1 a eines 78° 
85-003 2 850, 1 5 = 87:0 
84:1 | 1 | 3 a 93- 
83:7; I pe ye clatl 95- 
81:2} in a 5 25111- 
800 1 Ne 19° 
796, 1 53. LA es 21° 
79°3 1 3 cA 23° 
789 | 1 99 9 26° 
78°6 1 x + 27° 
78°240 0 783 | 1 sg a 29°6 
TIO A 9 i eeH SEE 
76-466 3976-49 | 5 765 | 6 see Hs | 40:8 
75°8 1 1-09 ” 45 
75°5 1 9 ” 47 
73:3 | 2 Lig se 6L- 
703 | 1 a Bs 80: | 
| 3969°35 | 0:3 ss Tl Mites 859 | 
. 676 1 | » 97° 
: 66-5 | 1 66-52 ‘ | 26203-9 | 
66-2 1 ” ” 06° 
L 65:0 1 a i 14: 
