30 B. E.: Moore 
IN i Ae r z | AA/d? 
3011 88 4, 6 SAH 2978.21 4, 6 | +1.55 
03.88 6, 10 1.87 69.77 6, 10 56 
2985.58 4, 6 15 69.10 6, 10 1.58 
81.18 3, 5 [1.60] 62.81 5, 10 1.05 
79.35 2, 4 1.29 55.92 8, 12 1.11 
The zirconium triplets have not been thoroughly investigated 
Such an investigation of so many lines would require 
For reasons given in the discussion of yttrium 
for series. 
a long time. 
triplets, and here even more pronounced, the application of Pres- 
ton’s law is neither :mmediate nor direct, and the necessary work 
would be enormous. However, I have investigated the separations 
BO a=tO75 ee ZO=-07, 
2.34. 
8452708; 42.252% 07k OG==.072 
1.82-+.09, and 
The following twenty-nine lines are not apparently sz2parated: 
rv 
5508.5 
5485.4 
5136.0 
4851.8 
15.4 
4400.58 
4273.80 
66.96 
50.89 
40.59 
13.45 
4181.18 
40.18 
28.08 
4044.80 
12 
20 
cle ue es «alam us © 30,0, © 
Ve © © = ©) s Sp Clete © 616.515 eke 
rd 
Dxomewtan 
a“ 
A 
rv 
4030.26 
3989.27 
00.71 
3781.80 
24.94 
06.79 
3657.01 
3049.90 
3481.71 
3362.87 
3354.08 
3014.70 
3131.23 
3013.44 
z B 
8 3 
2 nL 
15 4 
8 5~— 
D 54). ay eee 
5 D wide 
9 
Britnsl5% 3 ach ene ee eeer create 
8 z 
8 4 
3 ni? 
15 2 
1+| D wide 
1+] 5 
*Possibly there is a weak pair of external components. 
*s-component is a strong center with a broad background of diffusion 
on both sides. p- 
*p-component broadened. 
*Broad line for the s-component, sharp and strong on the edges and 
weak in the center; 
component wide. 
p-component sharp. 
° The real components are probably overlapped by a carbon band line. 
*Possibly separated but too weak. 
7Not identified. 
®*Too weak and diffuse. 
for analysis. 
It can scarcely be Exner and Hascek’s line 3353.80. 
"> 
5 
~) 
O 
It is possibly a doublet, but too far in violet 
