ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMEN'Is. 127 
Tripium. 
Exner and Haschek, ‘ Sitz. kais, Akad. Wissensch. Wien,’ civ. 909, 1895; cv. 503, 
1896. 
Kayser, ‘ Abhandl. k6nigl. Wissensch. Berlin,’ 1897. 
Exner and Haschek, ‘ Wellenlingen-Tabellen der Bogenspektren der Elemente,’ 
Leipzig und Wien, 1904. 
Lohse, ‘ Astrophys. Obs. Potsdam,’ xii. (1902). 
Adeney, ‘ Photogsaphs of Ultra-violet Spark-spectra,’ ‘Trans. Roy. Dublin Soc.’ 
(2), vii. 331. 
| aS Spectrum | Spark Spectrum Reduction 
: Sat i --.7.|, = wacnum eee 
Wave-length | | wrasvex length il Oscillation 
Intensity | | Intensity —__________| Frequency 
Exner and | ee Exner and eee | 1 a ee 
Kayser Waschek Character Tabhok (Character A+ a 
| = = — = = 125 re =he 
5894-324 | 2 | 1:61 | 4:6 | 16960- 9 
5625°772 3 | 153 | 48 | 17770°5 
20-266 | 1 Wace seit 88-0 
5469°648 1 | 1-49 | 5:0 18277°7 
54-724 | 2 | Pa 33 18324°4 
{ 49-716 | 4 SS - 44-6 
| 5364-507 2 | 1-47 | 5:1 | 18656-0 
} 57-081 0 1:46 eg 61:8 
H 40-932 1 3 3 18718-2 
5239-091 1 1-43 | 5:2 19082-1 
5178°128 1 1-42 | 5:3 19306°7 
5050-001 | 0 1:38 | 5-4 19796°6 
46-227 0 | = re 19811-4 
09°323 0 | 1:37 | 5°5 19957°3 
02°874 1 | tert te: 83:0 
4999-898 2 | 99 94-9 
70°629 0 1:36 93 20112°7 
39°311 | 0 1:35 | 56 20240°1 
38-225. | 1 93 » 446 
4845°539 0 1:33 | 5-7 | 20631°8 
40934 | 2 1:32 3 51°5 
09-636 2 ease rs 20785:9 
07:302 | 0 3 96:0 
4795827 | 3 ESS taal ne 20845-8 
78°330 | 4 58 20922°0 
58°107 | 2 1:30 AS 21011:0 
56-613 4 »» » 17°6 
327014 1 55 21126°8 
29-005 4 1:29 + 40°3 
09-034 2 a se 21230-0 
02-751 0 ees 59 58-2 
4696-0 1 eae FE 21289: 
94:0 1 oS 98- 
92°7 1 1:28 =) 21304: 
83°8 1 os - 44: 
| 83-0 1 2 ” 48: 
81:5 1 a es 55> 
| 78°6 1 es 35 68- 
| 74:2 In sy 3 89- 
| 73-4 In Es * 92: 
| 72-0 In 45 Bs 98- 
| 714 | In Ws » | 21401: 
| OSrg sl sila) ees eee 09: 
| | 69-4 lu 3 . 10: 
