142 
REPORTS ON THE STATE OF SCIENCE. 
IripiumM—continued. 
Are Spectrum Spark Spectrum 
: =s Reine to 
s : acuum 
Wavye-length Inten- ae Inten- | ie Inten- 
| sity = sity | sity 
and and and 
Kayser es es ce * | Cha- Lohse | CB | a+ - 
Hasehok racter Padahelr racter racter nt 
3607:3") 1 1:00 | 7°8 
3605°958 | 3605:99 | 3 05:9 10 | 3605-99 | 2:5 9 3 
04:9 1 ” ” 
04:5 1 04:67 | 0:8 aS e 
03:8 1 03:96 | 0-2 a 55 
02:2 I ” ” 
01:568 0156 | 4 01-5 1 01:59 | 0:3 a “4 
00°5 | 2 00°54 | O-1 “5 35 
3599°8 1 |3599-94 | 0°5 on “3 
98-936 98:91 3 98:92 | 3° a *F 
1 98:29 | O-In PD a 
97°9 O-ln fr 5 
97-30 | 0:2 5 PF 
96-356 0 96-45), oI G3 /al pte ” % 
95°6 ” ” 
25:04 ” 7:9 
94:557 94:56 | 5 94:5 | 4 94:60 | 0°8 ” > 
94°308 94:30 | 3 94:3 1 ” % 
93°16 |3 Ru? 93:1 2 93°21 | 1:1 on e 
92-2] 1 ” » 
91:9 1 ’ ” 
91°55 | O-ln “5 S 
91:3 1 ” ” 
89:90 | 1:In 33 A 
89°34 | 3 Pt? 89:3 | 2 89°43 | 1-1 7A oc 
88-9 In + “3 
88:3") In oF 25 
87°3 1 87°41 | 0-3b + . 
87-1 1 ” ” 
86:3 1 86°39 | O-In *e ‘f 
85:8 1 ” ” 
85°3 In 85:50 | O-In 5 5 
84:6 1 84:72 | 0-2n a a 
83°5 | 2 83:62 | 0:2n A “ 
83:24 |10 Rhi\? 83:2] 2 83°30 | O-1 5 ¢ 
81:0} 1 80:97 | O-In 35 = 
78:2 1 93 
He 1 0-99 a 
77:3 1 77:24 | 0-2n ty , 
76:9 1 ” ” 
76:3 1 ” ” 
759 1 ” ” 
75°6 1 ” ” 
75°2 1 ” ” 
74:9 In > 
74:6 1 74:75 | O-ln a 7 
3573'888 73°89 10 73°8 | 8 73°87 | 1:45 * ” 
73°1 1 ” ” 
72:9 1 ” ” 
72°5 ] > ” 
72/1 u ” ” 
71:9 1 ” ” 
d0'7 | 70°74 | 0-4 5 . 
Oscillation 
Frequency 
in Vacuo 
