9: 
8 
Wave-length 
2644-4 
2642'7 
2634-5 
2631:9 
2628-4 
2627°3 
2626'6 
2621°7 
2619'3 
2618'5 
2613'8 
2613-0 
2605:3 
2605°2 
2603'9 
2600°3 
§2598'8 
2592'9 
$2586-8 
2584:8 
2582°6 
2581-7 
$2579°8 
2574°4 
2573'1 
2571:9 
2569°3 
2567°0 
2565-0 
2563°6 
2561:7 
2559°6 
2558°9 
2556°9 
25563 
25531 
$2552°7 
2552-2 
§2550°1 
§ 2549-7 
2548-9 
2546°3 
2545:7 
2544-6 
2544-2 
2543'9 
2549'5 
2540°2 
2537-0 
2536-1 
25355 
2533'4 
2531-7 
2529°6 
2528-4 
25245 
Intensity and 
* 
Character 
Spark] Are 
1 1 
¥] 1 
3 
6 1 
*1@2) 
1 6 
ay 1 
*1 4 
+ 1 
4 8 
6 1 
4 
1 2 
4 4 
3 3 
1 3 
1 1 
1 1 
8 1 
1 3 
3 
6 ut 
10 3 
6 3 
1 4 
1 4 
6 
1 6 
1 
10 1 
1 0 
6 1 
8 1 
4 4 
6 
1 4 
mH 4 
4 
4 
1 
See 
DWORKMDWWHWHOHHWeHOR 
_ 
ano Pee CO a ew L ilaaed 
REPORT—1890. 
CoBALT—continued. 
Oscillation 
Frequency 
37804 
37829 
37946 
37984 
38034 
38050 
38060 
38131 
38166 
38178 
38247 
38258 
38371 
38373 
38392 
38445 
39467 
38555 
38646 
38676 
38709 
38722 
38751 
38832 
38851 
38870 
38909 
38944 
38974 
38995 
39024 
39056 
38067 
39098 
39107 
38156 
39162 
39170 
39202 
39208 
39220 
39260 
39270 
39286 
39293 
39297 
39334 
39355 
39404 
39418 
39427 
39460 
39487 
39519 
39543 
39599 
Wave-length 
25242 
2522°5 
2520°7 
2519'3 
2517°3 
2516°9 
2511°7 
25114 
$2570°5 
2509°4 
2507°5 
25058 
25041 
2501-7 
2500:2 
2498°2 
2497°4 
2496°3 
249571 
2494°4 
2490°4 
2489'S 
2486°9 
2486°7 
§2485°9 
24848 
2484-4 
2484°1 
2483-2 
2478°6 
24778 
§2477°4 
2476°9 
2476°2 
24760 
2474°9 
2473°5 
2472°5 
2469°7 
2469-0 
24665 
2463°7 
2460°8 
2460°3 
2459°0 
2455°7 
2453°6 
2453°3 
2452-7 
2452:0 
2449' 4 
2448°7 
§2447°3 
2445°6 
2443'3 
2442°0 
Intensity and 
Character 
Spark} Arc 
1 10 
4 
3 10 
10 
3 8 
4 
1 1 
1 
10 10 
1 
4 4 
10 10 
i 6 
XS 1 
3 6 
4 
6 6 
1 8 
1 4 
1 3 
1 6 
6 6 
1 
1 
6 
6 
1 
1 
1 4 
3 
4 
4 
1 
1 6 
1 
=I 
Eat 
1 8 
1 6 
I 1 
8 
10 4 
1 
1 6 
6 
1 8 
1 
1 3 
1 
1 1 
8 
4 
8 3 
6 1 
6 3 
8 
39604 
39681 
39659 
39681 
39712 
34719 
39801 
39806 
39820 
39837 
39868 
39895 
39922 
39960 
-39984 
40016 
40034 
40046 
40066 
40077 
40141 
40151 
40198 
40201 
40214 
40232 
40238 
40243 
40258 
40332 
40345 
40357 
40360 
40371 
40375 
40393 
40415 
40432 
40478 
40489 
40530 
40576 
40624 
40632 
40654 
40708 
40743 
40748 
40758 
40770 
40813 
40825 
40848 
40876 
40915 
40937 
¢ op oat oul 
Oscillation: | 
Frequency | 
