ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 225 
OsMIUM—continued. 
| Are Spectrum Spark Spectrurh | Getadton de | | 
a ae 5 ee ine as. | | (iy 7 | Vacuum 
Wave-length Inten-| Wave- | Inten- Oscillation | 
/—__ ~- -a sity | length | sity | ] Frequency) 
Rowland / Exner | and |- ——} and | ess in Vacuo | 
| Kayser and | and Cha- Exner and| Cha- | a+ | —— 
 Tatnall | Haschek | racter | Haschek | racter | pees 
2327-081 | 0 | | 0-70 12:9 | 42959-4 
| 25-636 | 0 0:69 | ,, 86-1 | 
2324-37 | In ie: » — -43009°5 | 
24:07 | In le as ‘ 15°1 | 
| 2320-4 | 1 is 83- | 
| eg 1 2 | ,, | 13-0 {49208 
08-40 In | fie » | 438071 
| Se a es | ae 48- 
| | 050 | 1 - $ 71: 
93°7 1 3 13:1 | 43585: 
88:2 1 Fe 13:2 | 43689: 
86:6 In elena ean: 
85:6 In # Ea 39- 
| | 85-0 Bais arg hes 50° 
| 2283°76 1). 7} ae | eer 74:2 
83°3 2 aah altteags 83: 
82°35 1 82°41 4 | 9 ne 43801: 
79-2 1 $8 Pe 62° 
: 77:4 1 0:68 es 97° 
| 72°6 2 » | 13:3 43989 
70°8 1 Fe » | 44024 
58°5 1 A 13°4 | 44264 
a a a ee » | 44388 
/ | 50:97] 1 | 4, | 135 | 44411-8 
| | | 04:5 2 | 0-67 | 13:8 | 45348 
RHODIUM. 
Kayser, ‘ Abhandl. K6nigl. Akad. Wissenscb. Berlin,’ 1897. 
Rowland and Tatnall, ‘ Astroph. Journ.,’ ili. p. 286 (1896). 
Exner and Haschek, ‘ Sitzber. kais. Akad. Wissensch. Wien,’ civ. p. 960, cv. 
p. 561. 
Snyder, ‘ Astrophysical Journal,’ xiv. p. 179 (1901). 
Exner and Haschek, ‘ Wellenlingen-Tabellen der Bogenspektren der Elemente,’ 
Leipzig und Wien, 1904, p. 126. 
Adeney, Photographs Ultra-violet Spark Spectra, ‘Trans. Roy. Dublin Soc.’ (2), 
vii. p. 331, 
Are Spectrum Spark Spectrum li eduetiantte | 
Vacuum sh. / 
Wave-length |Inten-| Wave- | Inten- Oscillation 
sity length Sityaiion ame orcas Frequeucy, 
Rowland Exner | and ;————| and 1 in Vacuo | 
Kayser and and Cha- Exnerand| Cha- | A+ aE | 
Tatnall | Haschek | racter | Haschek | racter 
5983-830 4 1:63 | 4:5 16707:2 
52-791 OF x 162 4:6 94-2 
41-743 1 ” | ” 16825°5 
18-698 1 1:61 ° 91-0 | 
* 07-478 Pa ars 33 16923°1 
5899-128 | | 1 ers Pr 47:1. 
, 71947 Lea P 1 | 160! 2 | 17025:5 | 
1907, s Q 
