EEV. T. E. EOBINSON ON SPECTEA OF ELECTEIC LIGHT, 
957 
Table Vl.-^Palladium. 
Air. 
Nitrogen. 
Oxygen. 
Hydrogen. 
Carb. oxide. 
C.P. 
R. 
C.P. 
R. 
C.P. 
R. 
C.P. 
R. 
C.P. 
R. 
1. 
32 <c 
39* 
38-4* 
38-8 of. 
double 
2. 
c' 
39-7 b. 

40-3 of. 
39-5 0* 
39-7 4< 
39-5 ovf. 
very intense 
3. 
41-8 YU. 
41-6 f. 
4. 
n 
45 -2 f. 
5. 
/S' 
48-5 b. 
47'5 * 
48-3 f. 
49-5] 
b. 
48-5 ovf. 
6. 
50-3 vf. 
51-4 f. 
51-9 vf. 
51-8 £ 
51-5] 
b. 
7. 
54 * 
53-7 f. 
8. 
32 y 
56‘3 * 
57-3 f. 
56 f. 
55-8 nb. 
57* 
56 £ 
9. 
33 
0-3 f. 
59-6 f. 
58 f. 
0-4 vf. 
58-8 £ 
On. 
1 £ 
10. 
3'3 nc. 
1-6 b. 
0 f. 
3 nf. 
2-8 vf. 
double 
11. 
S 
4-3* 
3 * 
4-3 nb. 
b. 
12. 
5-3 f. 
6-5 nf. 
6 ] 
b. 
5 £ 
13. 
8-3 b. 
7-3 b. 
7-9 £ 
7 c. 
7-5 
'I 
£ 
8 b. 
14. 
9-3 Tb. 
10 1 b. 
9-8 1 e. 
9-5 nc. 
10 
£ 
9 
15. 
10-8] b. 
10-7 If. 
not distinct 
£ 
16. 
12-3 Jb. 
11-4 J b. 
11-7 f. 
11-3 fc. 
£ 
12 vf. 
17. 
13-3 c. 
14 f. 
13-8 J c. 
15-1 w£ 
15-6 -vn. 
13-8 £ 
13 
k- 
18. 
? 
17-3 wb. 
17 w«. 
16-7 b. 
17 £ 
17-3 
18-5 nb. 
17-8 vf. 
16 
£ 
16 wf. 
18 
£ 
19. 
21-4 f. 
21-5 fw. 
19 
£ 
21 n. 
21 
£ 
20. 
n 
24-8* 
24-1 * 
24-7 b. 
24-8 c. 
25-4 b. 
25-5 nc. 
23 b. 
24 e. 
25* 
21. 
27-3 wc. 
27-4 
28 nc. 
28 nc. 
26* double 
27 £ 
22. 
30-8 ) b. 
30-4 1 b. 
30-4 nc. 
31 £ 
23. 
31-7 nvb. 
31-4 lb. 
... [b. 
24. 
32-8 J * 
32-8 J b. 
32'3 vnb. 
25. 
t 33*8 » 
33-3 f. 
34 3* 
33-5 nb. 
33 vf. 
34 vf. 
34-5 vf. 
26. 
36-8 f. 
36-4 
36- 1 
37-3 nvb. 
38-4 nf. 
37-5 nc. 
37 c. many 
27. 
38-8 
39-4 b. 
39-5 nf. 
40 vf. 
28. 
41-3 b. 
41-3 f. 
40-7 
41-4 f. 
41 8 w^. 
41-9 £ 
41-2 *w2. 
41 1 b. 
42 * 
43 lb. 
29. 
45-3 1 b. 
44-7 \ b. 
43-4 1 b. 
45 J b. 
44-5 1 * 
30. 
46-3 /b. 
46 Jb. 
45-4 J b. 
46-3 £ 
... 1 
centre of 3 
f 
31. 
47'3 wc. 
48-7 f. 
47-51 
47 j * 
32. 
501 f. 
50-4e. 
50-2tnc. 
50 
nc. 
50-5 vf. 
33. 
51-3b. 
52 lb. 
51-3 
51-8 nc. 
52 
* 
34. 
54-3 
54 J b. 
54-4 c. 
54 
nb. 
54 vf. 
35. 
K 
56-3 » 
55-3* 
55-3 
55-8* 
55-5 
f* 
36. 
double 
56 3* 
563 
56-3* 
56 w. 
37. 
57-2 f 
57-5 nf. 
58 
n. 
38. 
33*” 
58-3* 
58-3 
58-5 * 
59-3* 
59-5 
* 
39. 
34 
2-3 T n. 
1-7 I b. 
2-3 b. 
2-8 vnc. 
1-4 c. 
many here very 
1 
sharp 
40. 
A. 
3-3 fn. 
3-6 fb. 
41. 
4-3 J n. 
5-3 
4-9 J b. 
4-3 nb. 
4-5 nf. 
4 £ 
42. 
7-2 
8-8 b. 
7-4 c. 
8 w. 
7 » 
43. 
9-8 1 b. 
10-1 1 * 
10-3 ] c. 
10 
b. 
44. 
H'' 
11-8 lb. 
10-8 
11-4 1* 
11-8 Ic. 
12-5 
115 
u. 
45. 
13-3 J b. 
13-4 j f 
14-4 b. 
14-3 J c. 
14-4 c. 
14 w. 
14 
* 
13 vf. 
46. 
16-3 1 c. 
16 f. 
15-5 vf. 
47. 
17-3 Ic. 
17-3 
17-31 nf. 
48. 
18-3 J c. 
18-6 f. 
18 
)b. 
18 £ 
49. 
9 
20-9 f. 
20 b. 
19-3 ( c. 
19-4 
20-5 *w*. 
20 w. 
19 
b. 
19 £ 
50. 
23-2 f. 
22-3 J vf. 
— 
22 
lb. 
51. 
25-3 nf. 
25-8 f. 
25 3 £ 
26-5 
vnf. 
52. 
29-3 *w. 
29-1* 
28-1 
27-4 c. 
28 
27-5 
* 
28-5 
1 c. 
53. 
1 
31-3 
32-4 f. 
30-3 b. 

31 vf. 
54. 
35-7 f. 
34-4 b. 
33-4 £ 
35 nc. 
55. 
6 
37-3 vf. 
38-8 vf. 
37-3 vf. 
— 
36-5 £ 
38-5 c. 
00. 
39-3 f. 
40-3 f. 
— 
57. 
43 ft c. 
42 £ 
58. 
4ft-2 f. 
45 b. 
43 £ 
45 £ 
46 vf. 
50-5 c. 
50-2 f. 
48 £ 
60. 
34 
56-8 f. 
58-1 f. 
61. 
3-4 f. 
62. 
6-5 
The deposit in the tube very dense. These spectra are notable for the indistinctness 
of the green lines, as compared with the remarkable sharpness of those in blue and 
violet. The number visible in the H pair also deserves notice. This metal seems to 
have great illuminating power. 
6 p 2 
