FOR KIRCHHOFF’S SPECTRAL LINES. 
Corrections to the computed Wave-lengths, on different suppositions as to the parts of 
the series which are to be left without alteration. 
Approximate places of principal lines. 
o 
<9 
> 
1 No correction for £=07, l'O, 1'5, 2-1, 2 9; 
Correction for £=06 being +124-2. 
O 
cq 
*© 
“5 cb 
rl t" 
© + 
II O 
-4i© 
J <° 
0 8 
0 § 
ft 6 
O 
Cl 
cq 
i> + 
g'J 
119 
«o ^ 
jj<2 
0 0 
0 0 
fro 
p 
cq -f 
S'! 
lC + 
0 to 
0 *© 
0 
II £ 
til 
Jcg 
§ 8 
0 0 
0 u 
O 0 
O 
cq 
-O 
0 gP 
0 ^ 
II g| 
* 1! 
0 «2 
C O 
0 0 
fro 
cq 
O 0 
c p'o 
ii 
n II 
8-° 
2 .2 
11 
0 0 
So 
0-0 
+ 6395 
-5481 
+ 3837 
-2558 
+ 1827 
- 132 
0-1 
+ 4234 
-3528 
+ 2352 
-1512 
+ 1058 
- 76 
0*2 
+ 2668 
— 2134 
+ 1334 
- 821 
+ 562 
- 40 
0-3 
+ 1572 
-1179 
+ 674 
- 393 
+ 262 
- 18 I 
A 
0-4 
+ 842 
- 561 
+ 281 
- 153 
+ 99 
— 7 
0-5 
+ 384 
- 192 
+ 115 
— 58 
+ 36 
2 
B 
0-6 
+ 124 
0 
0 
0 
0 
0 
C 
0-7 
0 
+ 74 
0 
0 
0 
0 
0-8 
- 38 
+ 76 
+ 38 
- 11 
+ 6 
0 
0*9 
- 29 
+ 43 
+ 86 
- 14 
+ 7 
- 0 
D 
1-0 
0 
0 
+ 125 
0 
0 
0 
1-1 
+ 29 
- 36 
+ 144 
+ 36 
- 14 
+ 1 
1-2 
+ 46 
- 55 
+ 138 
+ 92 
- 31 
+ 2 
1-3 
+ 46 
— 54 
+ 108 
+ 161 
- 40 
+ 2 
1*4 
+ 29 
- 34 
+ 59 
+ 235 
- 34 
+ 2 
E 
1-5 
0 
0 
0 
+ 302 
0 
0 
1-6 
- 35 
+ 39 
- 59 
+ 351 
+ 70 
- 3 
1*7 
- 67 
+ 74 
- 106 
+ 370 
+ 184 
6 
1*8 
- 87 
+ 95 
- 131 
+ 348 
+ 348 
- 10 
1*9 
- 86 
+ 93 
- 125 
. + 281 
+ 562 
- 11 
2-0 
- 59 
+ 63 
- 82 
+ 164 
+ 819 
- 9 
F 
2-1 
0 
0 
0 
0 
+ 1109 
0 ! 
2-2 
+ 88 
- 94 
+ 118 
- 202 
+ 1411 
+ 20 j 
2*3 
+ 200 
212 
+ 261 
— 424 
+ 1697 
+ 57 
2*4 
+ 321 
- 340 
+ 413 
- 643 
+ 1928 
+ 116 
2-5 
+ 432 
- 456 
+ 547 
- 821 
+ 2052 
+ 205 
2-6 
+ 502 
— 528 
+ 627 
- 912 
+2006 
+ 334 
2*7 
+ 490 
- 514 
+ 605 
- 857 
+ 1714 
+ 514 
Q 
2*8 
+ 344 
— 360 
+ 420 
- 582 
+ 1081 
+ 757 
2-9 
0 
0 
0 
0 
0 
+ 1077 
3*0 
- 621 1 
+ 648 
- 745 
+ 994 
-1656 
+ 1490 
It is easily seen now that [0*6] is the number corresponding to &=0*6 in the third 
column of the Table; that [O’ 7] is the number corresponding to k— 07 in the fourth 
column of the Table ; and so for the others. 
It appeared now that the corrections to be applied to numbers which I had actually 
computed, in order to produce Ditscheiner’s numbers, were the following: — 
