FLAME SPECTRA AT HIGH TEMPERATURES. 
1063 
Plate 8 .— Crewe—(continued). 
X. 
Description of spectrum. 
Remarks and lines for comparison. 
5129-8 
Edge of band, nearly coincident with a well- 
defined faint iron line, 5128-8 
5110 
Feeble line. 
5109-2 Fe. Vogel and Thal^n 
5107 Line, not in XlnO.-) spectrum. 
5084-4 
Centre of faint broad line, probably double 
Watts 
5037 
More I’efrangible edge of band. Faint. Hot 
in .3rd spectrum 
5019 
More refrangible edge of weak band 
5018 Edge of band. Watts. 5017-7 Fe. 
4969-5 
„ ,-, of slightly stx’onger band 
Vogel and Thal:^n 
4947-5 
Indication of sharp line, or edge of band 
1 
4943 Edge of band. Watts, also 
4914-9 
XIore refrangible edge of same band, not in 
^ 4945-7 Fe. Vogel and Thal^n 
3rd spectrum 
4895-7 
Xlox-e refrangible edge of narrow band, not in 
4904 Edge of band. Watts 
1st spectrum 
4861-8 
XIore refrangible edg-e of narrow band. Co- 
4862 
incident with solar line F. Measured on 
2nd spectrum 4862. Hot on 3rd spectrum 
^Combine to form one broad band 
4838 
Xlore refrangible edge of band. JMot in 3rd 
4836 Edge of band. Watts 
spectrum 
4838 Fe. Vogel and Thal^n 
4811-8 
Xlore refrangible edge of band. Hot in 1st 
spectrum 
4808-2 
Line. Hot in 2nd or 3rd spectrum .... 
4802 Line. XVatts 
4773 
Edge of band 
4755 
Xlore refrangible edge of broad band. Seen 
more distinctly in 3rd spectrum 
4740 
Edge of band about here 
4721 
1 Two short lines, visible only at base of flame. 
4709 
J 4721 in 3rd spectrum only. 
4709-5 Fe. Vogel and Thalen 
4701-5 
Strong band 
4674 
Xlore refrangible edge of band 
4660 
Visible only in 1st spectrum 
4637 
Xlore refrangible edge of band 
4623 
Edge of band. Hot in 2nd spectrum 
4606 
Visible only in 3rd spectrum. 
4607 „ 
4584-5 
Fairly strong line. Coincident with the more 
refrangible edge of a band 
4561-4 
Edge of band. In 1st spectrum only 
^The continuous spectrum is strong over 
this regio7i 
4547 
More refrangible edge of band. Feeble. 
4547-3 Fe. Vogel and Thalen 
Another measurement gave 4540. Doubtful 
4519 
Or 4522. Faint line on a band about here. 
Doubtful 
4502 
1 Line 
4504 
>Edge of band. Xlore refrangible edge 
4496 
J Line 
4493 
Short line. Visible onlv at the base of the 
4493-8 „ 
flame on 1st spectrum 
4482-2 
Strong line, also edge of strong band. Line 
4481 Line. In Bessemer spectrum. 
coincident with a golar line 
not identified. Watts 
4481-6 Fe. Vogel and Thalev 
4469 
Faint line, also 4468-8 the same line in another 
4468-7 „ 
spectrum on a different plate. On 1st 
spectrum only. Plate 8. 
4466 
A line closely adjacent to a solar line .... 
4466 ,, ,, „ 
