246 
REPORTS ON THE STATE OF SCIENCE, 
Are Spectrum Spark Spectrum Redwckion to 
> epee, <= i. || ae ee Vacuum 
Wave-length Inten-| Wave- | Inten 
rae | sity length sity 
| Rowland | Exner and | and 1 
| Kayser an and | Cha- |Hxner and Cha- | A+ =e 
| Tatnall | Haschek | racter | Haschek | racter 
| 3183-012 0 | 0°90 | 8°9 
82°519 0 | 0°89 yy) 
81°330 | 3181:38 | 3 3181°3 LE eS 3 
| 80°5 1 te 9°0 
79°833 | 3179°843 | 79°84 5 80°0 2 A 3 
78°517 78°51 | 4 TEE De! “ oF 
| | | EET hee ” ” 
| | 7) Se ee a en 
77°201 77°20 | 4 Fie Rr lass 
77-020 0 55 + 
76°666 | 0 3 99 
763 | 1 9 ” 
74:6 4 9 ” 
| 73°7 2 » » 
72°392 72-40 | 4 72-4 1 a es 
71°625 71:65 | 2 71:5 In a a 
70°379 | | 0 = 5 
| | 69:0 1 ” 2” 
67:072 67:07 | 0 67°71 2 + + 
| | 66:4 1 ” ” 
| | 64:3 2 ” ” 
63°551 | 63°55 1 oF “3 
| 62°84 0 op AG 
_62°608 | 0 + ay 
| | 62°5 | 2 | ¢ 93 2” 
62388 62:40 | 1 Lares ‘ 
59°354 | 59°35 | 2 59:3b | 8 ‘s . 
59-001 | | | 2 | 9 os 
58-063 | | 5806 2 5680 | In| ,» S 
55-890 55°90 | 558 | 2 ay ae 
55489 | 6 np A 
54°453 | | 0 + “p 
| | 53°7_ | 2 ” os 
52°724 52°719 52°73 | 6 “6 ss 
| | 58-6 jc Be |) ote hele 
| 51:50 | 4 51°5 2 A Ss 
| 50°7 1 ” 99 
50°385 © . 5040 4 50°3 1 on Ag 
49-978 | | | O 49°9 DN hess a 
48°350 | me! aa os 
| 48-0" | In + a 
47-736 | | 47°74) 4 if i 
47-274. | | | 0 47-2 In eS os 
46°327 | | 0 =F 91 
45-734 | | Passat lata |e irda |) Wier 
45°518 | eee | . x 
41°314 | (40 41°3b | 4 0-88 + 
40-963 | lin ¥ ee 
40°549 |: Fy i 
a4 | 2 jos | 
40°355 | | 0 45 +3 
| | 38°7 In a 
38:506 | | 38°50 | 1 as A 
i 
| 
Oscillation, 
Frequency 
| in Vacuo | 
