FLAME SPECTRA AT HIGH TEMPERATURES. 
1065 
Plate 8.— Crewe—(continued). 
X. 
3860 
3856 
3850 
3841 
3834-3 
3826 
3824-5 
3820-5 
3816 
3813 
3800 
3795 
3788-5 
3781 
3767-5 
3764 
3758-4 
3749-4 
3746 
3743-5 
3737-4 
3735-0 
3733-5 
3727 
3722-8 
3720 
3709 
3707-7 
3705-5 
3687-5 
3685-2 
3680 
3677-8 
3648 
3631-5 
3619 
3609 
3587-2 
3585-5 
3581-5 
3570 
3566 
3558-8 
3526-5 
3498 
3491 
3477 
3475 
3466 
3441 
3384 
3380-8 
Description of spectrum. 
Remarks and lines for comparison. 
Very strong line 
Strong line 
Weak line 
Strong line 
1 Closely adjacent strong lines, the more refran- 
j gible being the stronger. Hot in 3i’d spectrum 
Strong- line. Coincident with solar line L 
I Two weak lines. 
Line, fairly strong, broad 
„ less strong 
,, weak 
„ in the 3rd spectrum only 
I A pair of lines 
} Very strong, evidently "| 
double. Lines closely >Very strong group 
adjacent J 
Very feeble 
I Very closely adjacent 1 
From this point all lines are coincident 
with lines in the solar spectrum, and 
have been identified on Rowland’s 
first map. 
strong' line 
ry strong group 
Weak line. Coincident with solar line M 
1 Sti ong line 1 Qj^ggiy. adjacent 
J V ery strong line j j j 
Weak line. Hot in 1st spectrum 
,, „ In 3rd spectrum only 
Faii-ly strong. Sharp. Hot in 1st 
spectrum 
Weak line "1 
Very weak, distinct line 1 
Hot in 1st spectrum 
Group 
Weak line 
Fairly strong line 
} 
A pair, well defined, strong lines 
Very weak line 
„ ,, Hot in 3rd spectrum 
Strong, sharp line, in 1st spectrum only. 
Coincident with solar line H. 
Two sharp, fairly strong lines 
A vei-y Aveak line 
Weak, isolated line 
Weak line 
Fairly strong line. 
Pair of lines weak. 
Weak line. 
Fairly strong line. 
Very weak line 
Fairly strong lines 
In 2nd specti-um only 
Solar line 0, 3439-2 
3441-07 Fe. Kaysek and Runge 
6 u 
MDCCCXCIV.-A. 
