“ON WAVE-LENGTH TABLES OF THE SPECTRA OF ‘THE ELEMENTS. 
Are Spectrum 
IRIDIUM—continued. 
Spark Spectrum 
Kayser 
2622-203 
21-610 
20°102 
19-967 
18-352 
17-872 
17-514 
17-177 
16-090 
15-064 
14-287 
12-344 
127136 
11:384 
10-198 
09-996 
08-314 
07-608 
06-668 
06-081 
04-645 
02-122 
2599°224 
99-129 
95°914 
95-188 
Wav 
e-length 
Exner and 
Haschek 
Intensity) 
an 
Character; 
Wavye-length 
Exner and 
Haschek 
| 
ot 
Intensity 
and | 
Character 
2620-00 
17:86 
16-08 
16:00 
15-06 
14:27 
12°35 
12°13 
11-40 
08-30 
07:60 
04-64 
02°15 
2599°15 
95°93 
0 
0 
ocoowno wp 
In 
2621°6 
211 
20°6 
19°9 
18°7 
17:8 
17:1 
16:3 
16:2 
158 
15°5 
1571 
14-9 
14:1 
13°7 
12:2 
12°2 
118 
11-4 
10°5 
10-0 
09:8 
08:1 
07:3 
07:0 
06:4 
04:5 
04:1 
03°8 
02:8 
02:0 
00:9 
00-7 
2599-4. 
99:0 
98°3 
97°5 
95°7 
95-2 
94-6 
— me bo 
a 
no = 
a 
Se hm bo bo NRE 
Reduction to 
Vacuum 
171 
Oscillation 
Frequency 
in Vacuo 
| 38124-8 
