268 REPORTS ON THE STATH OF SCIENCE, 
RuoviuM—continued. 
~- SS 
| Arce Spectrum | Spark Spectrum | peta tanta | 
a ] = | Vacuum Bec til 
Wave-length Inten-| Wave- | Inten- | Oscillation, 
— ren meed 55 = 5: Sa ay length sity |) _____Frequency 
' Rowland Exner | and };————| and | ' 1 | in Vacuo | 
| Kayser | and and | Cha- |Exner andj Cha- | A+ | =| 
Tatnal | Haschek | ee) Haschek Eanben | | | | 
23616 | 1 | 0°70 12:6 | 42332: 
2361-25 1 ” ” 37°8 
60°9 (= ” ” 44: 
60° |; 1 “6 A 51- 
| 597 2 ae 66- 
59°26 1 bord) alee “9 33 73°6 
58°55 1 as MN engy 863 
58:0 1 93s ll ais 96° | 
57°6 1 sy >» | 4£2408° | 
Sate Whee it ” ” 21° 
558 | I 55 zs 36° 
55:2 1 oo | ee 47: 
542 | 1 ee 7 65: 
I SBETe 1 ” | ” 74 
ASO Naas | 7, . 86° 
| Sebo 1d 525 | 1 ” ” 94-4 
Pye ad BS 5 42510: 
| 513 | 1 ” ” 17 
| 50°4 | 1 ” | ” 33° 
4935 4) od a “3 46° 
| 480 | 2 tsa oi) ser 0) 
| 42" |) 1. |) a | a 0 
| AG'BE | 2) i 5s;5 al 99- 
AG bh) ae Wiese »» | 22604. | 
2345-597 | 1 | 9). {ao 2 Se 
| 4500/2 1), | Ss 
| | 44-4 | In 5 ie || 42: 
43°6 1 iets coke! 57° 
| 43°3 1 * 35 62- 
42°5 2 os ‘f 17° 
418 1 osm lees 89- 
40-1 1 » | 12:8 | 42720- 
38°6 1 Pipe ines! 48: 
36-9 | 2 <3) 3 ee 
35°9 1 Aegina a | 97: 
35:2 2 + » | 42810: | 
34°85 | 2 34°8b | 6 Me cS 16:5 
34°762 | | 1 aS a 181 
| 33°37 vg | 33-4 4 es att 43°7 | 
29°5" | In = » | 42915: (| 
28°737 28-74 | 2 957 ill ose 28°9 | 
| 28°5 2 ee le ae 33° | 
| 27°8b | 4 re 46° | 
26°56 1 265 | 1 or 12°9 69:0 
25°5 1 0-69 | ,, 89° | 
230 | 1 a ite, 43035: 
| 22-68 1% i 226 | 4 #5 s 40'8 
21:82 | 1 21°9 1 53 = 56°8 
19:95 | 1 ® 55 91:5 
19-173 19-18 | 2 45 io 431059 | 
17-4 1 - a 39° 
166 | 1 e 54 
\ | ie li si by ee fa 5 13:0 98 
