118 
ON A TABLE OF STANDARD WAVE LENGTHS OF THE SPECTRAL LINES 
TABLE 11. 
RELATIVE MEASURES AROUND STANDARDS 
[The figures in parentheses are the niimher ofreadiiir/s] 
e 
Co. (8) , 
" (8) 
« Phot 
" (8) 
" (8) 
" (4) 
Mean 
Plate 9 
"10 
" 12 . . . 
"13 
« 19 
Mean 
Correction to standard . 
4215 













+ 3.358 
4222 
6.720 
6.714 
6.723 
C.717 
6.710 
6.715 
6.7166 
6.724 
6.724 
6.705 
6.707 
6.725 
6.717 
3.358 
Co. (4) 
(6) 
(6) 
(4) 
U 
u 
Plate 15 
1 
Wt.l 
c; 
ii 
u 
1 
1 
1 
Mei 
an 
Mei 
an 
Give first three times weight 
of second mean 
Correction to mean . . 
* 
Correction to standard . 
ff 
4494 
2.308 
2.313 
2.317 
2.332 
2.317 
2.321 
2.328 
2.324 
2.319 
5.270 
4497 









5.270 
4501 
4.398 
4.397 
4.400 
4.401 
4.390 
4.392 
4.392 
4.397 
5.270 
+ 7.589 +5.270 +0.873 
4508 
11.415 
11.412 
11.409 
11.418 
11.413 
11.410 
11.410 
11.412 
5.270 
6.142 
h. 
Co. (8) . . 
" (6) . . . '. ; ; 
" (4) . • . . . . 
" (2) 
" (6) ...... . 
Mean 
Plate 2 
Correction to standard . 
4690 







4691 
1.257 
1.245 
1.249 
1.254 
1.251 
+ 0.026 
1.251 
1.254 
.020 
3.925 
