ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 175 
IRIDIUM—continued. 
Are Spectrum | iia pad Reduction to | 
Wave-length ‘ | weve: tength | Vacutim | Oscillation 
- sd st wai aed ei gr ST | Intensity| eee PH Fequency. 
'k a Es a an | 1 in Vacuo 
Kayser Haschek Character Hascheke Character rece oe 
ee —-|— Se Re ear eed = 3] = 2s. 
2512-096 2512-02 1 2512°0 4 0-73 | 11°6 | 39797-0 
09-798 09-80 1 09:7 1 » | 11-7 | 39832-1 
08°434 08°42 1 08°3 1 ” ” 53°9 
07°712 07-70 1 07-6 1 ” ’ 65-4 
07:0 1 a =f 76° 
06°70 1 a a 81-4 
06°5 1 a 3 85- 
06-2 1 ss 5 89- 
05°814 05°82 1 fe = 95-4 
05-308 0 | + re 39903°5 
04-446 04°44 1 | os 55 17:3 
03-063 03-08 3 “6 7 39-2 
02°710 ~ 02°72 2 02°7 ] ” ” 44-9 
01-0 1 oo 5 72 
00°357 00-36 1 00:2 1 ’ 2” 82-6 
2499-5 In o 3 96° 
2499°36 H ff .. 98°5 
98-4 1 a . 40014- 
97°9 2 -F ei 22: 
97-0 In 5 es 36° 
2496-360 2 96:3 1 » > 46°6 
95-951 0. oc a 53-2 
94-9 1 ” ” 70- 
94°4 1 ca 55 78° 
94-2 1 os 82: 
93°6 it ” 11°8 91- 
93-163 93°16 2 93-2 1 ” ” 97-9 
92-406 0 92°3 1 ” ” 4011071 
91-778 0 ”? ” 20-2 
89-6 1 = ae 55: 
89-4 J ap se 58: 
89-293, 0 89°2 1 ” ” 60-2 
88-325 On 88:4 4 ne 3 75°8 
87:6 1 43 3 88- 
87:1” 1 i ie 96° 
86°826 0 ” ” | 40200-1 
86-463 0 86°3 1 ” ” 06-0 
85-9 1 ae i 15: 
85°46 1 ” > 22-2 
85°3 1 Aa 5 25° 
84:7 1 ce 55 35° 
84:5 ] a rie 37° 
84:3 1 a BS 41: 
83:0 1 Sy 3 62° 
82-383 0 eters ff 72-1 
81-262 81:27 3 81:2 2 ” ” 90:2 
80-685 0 ” ” 99-6 
79°8 1 ie » | 40314 
79°255 0 | 79°4 1 ” ” 23:1 
| 78:9 1 aS 9 28° 
78°6 1 as a 34: 
78:190 78°20 1 | 78:2 1 ee re 40°1 
177 1 33 “rc 48 
77:3 1 3 + 55° 
