164 
REPORTS ON THE STATE OF SCIENCE. 
IRIDIUM—continued. 
Are Spectrum 
Spark Spectrum 
Wave-length 
| Intensity 
Wave-length : 
cathe _| Intensity) 
Tek | and 
Exner and | Exner and 
Kayser Haschek areal § Haschek 
2816-409 0 2816-5 
15°744 ea 159 
| 15°5 
14-966 2815-00 1 15:0 
14-532 14°52 1 14:5 
| 14-1 
| 13°6 
ies? 
12°896 12:91 2 12-7 
12-0 
11-4 
| is} 
10°657 | 10°65 | 1 10°5 
| 08:7 
08-249 | 0 08:1 
07-754 07°75 1 07-6 
06°772 0 
06-479 06°50 1 06:3 
05°8 
04-300 0 04:6 
03:2 
02:7 
01:9 
01°5 
011 
00-923 00-91 3 
00°755 1 00-6 
2799°835 2799°84 2 2799°6 
99-522 0 
99-3 
| 98-7 
98-283 | 98:29 4 98°1 
97-82 5 97°6 
97-456 97-45 4 97:3 
96°558 96°55 2 96:3 
95°7 
95-4. 
94-189 94°20 1 
93:907 | 0 93-6 
| 92-2 
91°4 
90-795 | 0 90-6 
90-2 
89:7 
89-4 
89-066 0 89°1 
88:5 
87-687 0 87°8 
87°4 
87:099 1 
86:3 
85:9 
85:6 
85:319 85°33 3 
Character 
and 
=] 
Be ree Seas eae ead | 
Reduction to 
Vacuum 
Oscillation 
Frequency 
in Vacuo 
354959 
355043 
07: 
