128 
REPORTS ON THE STATE OF SCIENCE. 
IrIDIUM—continued. 
Arc Boga Spark eas Rediictioawe 
(ies = . Vacuum 
Wave- ieee Wave- length | 
ah ie ay Bid. 23 
an | an 
Kayser | 2e00r ond [Gharnoter Benen and Character A+ 4 
| | 
| 4665-0 In | 1:28! 59 
| 56°5 1 ” ” 
4656°329 4 | 3 a 
| 559 =| In s . 
| | 55°4 In | ” ” 
54:9 In ) ee | + 
| 54:4 In ” | ”? 
| 50°7 1 FF sh 
40-231 ere 40°3 In Wyola, 
Name 27°5 In gute 6:0 
| 16°549 4616°55 4 16°6 2 De260)|| Wiss 
| 14342 0 iT 2 
| 04-7 1 ” ” 
| | 4586°5 In z me 
| 85-7 In ” ” 
| 84:5 In 33 + 
) | 82-0 1 ” ” 
| / 79:5 In DBs ss 
705 | In oe Nae 
4570183 2 7071 1 om wees 
68°246 4568°30 3n 68:2 2 “F “5 
65:0 In ‘9 61 
64:2 1 ” » 
61-0 1 ” ” 
58°7 1 9 3 
| 58-0 1 Ce 
| 54°72 1 54:7 1 ss; alles: 
| 54:2 1 a3) sheets 
| 525 In ik ass 
| 50°941 2 50°9 1 re re 
48-645 48-64 3n 48°7 2 35 a 
| 45°837 45-84 3 45°8 2 Bs a 
43°0 1 12a eas 
42:4 1 ” | ” 
/ | 39°3 1 » » 
38819 | eae et | 38-7 1 a | * 
| 34:5 1b ” ” 
33:003 2 33°0 1 E | 55 
| 15:3 Tn | Gee sPe ees 
/ 14°4 Ite es = 
| 12:0 1 ” ” 
| 11:0 1b ot a 
09:0 | In = 3 
05-7 In 1:23 - 
05:1 In 5 ay 
Ol he ln B a 
! O10 In $3 . 
4496-200 1 449671 1 5 6:2 
95°525 4495°52 2 95-4 2 a a 
92-333 1 92°3 1 » » 
| 91523 | 2 91-4 2 a > 
| 54:0 ln ” ” 
| 82:1 i ond ie 
78649 | 78°65 3 78-4 4 heen i 
70-5 in 4 
Oscillation 
__| Frequency 
in Vacuo | 
21544°8 
21604 
21655°2 
22208: 
11: 
348 
38:2 
53°9 
58°U 
95° 
22305: 
22:0 
63°} 
