122 
ox A TABLE OF STANDAED WAVE LENGTHS OF THE SPECTRAL LINES 
(8) I 
4 6b. 
Hence 
^ 
450L442 
3^ 
6750.391 
2s 
6.163 
(9) f 
8 ob. 
4508.445 
Hence 
4504.991 
4502.385 
4501.442 
3^ 
2s 
6.117 
6750.405 
(10) 5 10 ob. 
Hence 
4501.439 
6750.403 
3^7-25 
6.130 
(li) I 
4 ob. 
4222.306 
4215.670 
Hence 
6322.902 
Ze 
6318.250 
6285.340 
2i^ 
15.898 
6252.782 
6246.535 
(12) f 
4ob. 
Hence 
4691.588 
7027.782 
3 7i-2i^= 11.752 
(13) I 
(14) I 
9 ob. 
6ob; 
4691.588 
Hence 
6439.310 
7035.164 
4293.240 (G) 
7027.771 
7016.749 
3/i 
2t 
11.774 
7016.364 
m f 
(16) f 
(!■) f 
6ob 
6ob 
4 ob 
Hence 
4501.426 
3^ 
6750.406 
2s 
6.085 
6439.300 
6431.070 
4293.232 
4823.699 
4824.312 
7233.927 
7233.166 
7240.972 
Collecting, we have for the relations established by this gratin 
quatious : 
01* 
o 
the following 
8ob. 
4ob. 
6 ob. 
Mean 
10 ob 
10 ob 
Mean 
4ob. 
3A 
Bh 
2 
2 
2 
2 
2 
6884.082 
2t 
2t 
U 
3/ 
3/ 
11.774 
11.752 
11.774 
11.769 
4.193 
3/= 4.220 
4.207 
4590.109 
4ob. 
10 ob. 
7ob. 
4ob. 
4 ob. 
8 ob. 
10 ob. 
6 ob. 
4588.364 
17 
.381 
Be 
Be 
Be 
Be 
Be 
^9 
^9 
^9 
^9 
^9 
2p 
2p 
2p 
'Zp 
2s 
2s 
2s 
2s 
2s 
15.900 
15.951 
15.939 
15.898 
15.931 
6.163 
6.117 
6.130 
6.085 
6.121 
. ^ 
