226 
REPORTS ON THE STATE OF SCIENCE. 
RyuopIuM—conti2zued. 
Spark Spectrum 
| 
pre Spore Reduction to | 
| Vacuum 
Wave-length \Inten-| Wave- | Inten- Oscillation 
sity length SLY, clitan sel Frequency 
| Rowland | Exner and | and | in Vacuo 
Kayser | and | and | Cha- /Exnerand| Cha- age | ae 
Tatnall Haschek | racter | Haschek | racter | | | | 
pris ge RA 3 | . 
5833-808 | In 159 4:7 | 171368 
31-730 4 # a ce : 
21-991 2 stole | 
07:058 4 1:58 53 17215°7 
03-482 | 2 NY Gee ~ 26°3 
5797°668 | 2 \o Ss ip umes 43°6 
95-936 z e e ae 
92-824 = 8 qd 
55894 0 | 1:57 a 17368°8 
42-985 0 Neo - 17407°9 
30-600 2 | 1:56 35 45:5 
27:466 3 “ > 55:0 
26°875 In i$ a 56°8 
18-038 | 0 E 48 83°'8 
13°799 | In x 3 96°8 
08:930 | On a 17511-7 
00-628 _ 4n 1:55 a 371 
5695°823 be al | san yas 51:9 
86°543 | | ee ae ee 80:6 
59-924 | | Qn | | 1:54 | 4, | 17663°3 
59-791 | Ay | Rees = 63-7 
51466 | In ite ‘3 89:7 
34°847 | 2 | 9 ae 17741°9 
26°254 | 3 33 dl 
08°541 | 4 - 4:9 17825-0 
07-898 | | 3 ie - 27-1 
05°214 | 0 - ~ 35-6 
5599-620 | / Gn x e a 
95:043 n sf ‘ : 
68-495 | 0 1:52 9 17953°3 
57°364 | In i 3 89:2 
56:968 | : 3 3 mite 
55:288 ney f P 
44-797 | 6b | 1:51 | 4, | 28030-0 
42-260 20) ne 3 38°2 
35°235 | | 5n 5 wf a 
34:074 In a sf 35°0 | 
| 04-845 | 4n 150 | 5:0 | 181608 
03°776 | 2n - Bs 64:3 
5497-197 | 10) 3 a 86-2 
92-048 |. 2n ‘ ss 18203°1 
| 84:421 4n | et a ; 
| 81-602 | 2n | ie 53 
| 80:997 0 ee es 
75°318 | 2n 1:49 55 
71-040 | 5n 2 ©, 
68-921 | 2n Bs i 
68-288 3n a 3 
45°424. | 4n EP 
44-508 2n tte 33 
41:547 4n | bags uf 
| 39°783 4 | 1:48 - 
| 32°224 \ 1 gn iiss 
i i 
