1070 
PROFESSOR W. N. HARTLEY ON 
Bands and Tiines of Manganese observed in the Spectra of the 
Bessemer Flame—(continued). 
Bessemei’ 
flame. 
4773 
4755 
4701-5 
4G60 
14502 
14496 
4493 
4469 
4436-5 
4411, 
4406 
4326 
4272 
4253-5 
4130 
4067 
4063 
4040-6 
■4034-8 
4033-8 
Description of spectrum. 
Manganese 
spectrum. 
(Flame Spectra. 
Fart II.) 
Remarks and lines for com¬ 
parison. 
X. 
Edge of band. 
4776-5 to 
XVry weak band in MnO.i 
4770 
spectrum. See also Carbon 
More refrangible edge of broad band. More 
4749-5 
distinctly seen in 3rd spectrum 
Strong band. 
4696 
See Carbon 
Band. Visible only in 1st spectrum . . . 
4656 
Pair of fairly strong lines; also more re- 
4503 
frangible edge of band 
4501 
Short line, visible only at base of the flame. 
1st spectrum 
4491 
Faint line. 1 st spectrum. 
4470-5 
Faint sharp line. 
4436-5 
Faint line. 
4414-2 
Very strong line. 
4403 
MnOo, edge of band. Also, 
see Carbon, 4405 
Line, strong. 
4325-3 
Tii.at.kn 
Line. 
4271-6 
Edge of band. 
4252 
See Carbon. See also Car- 
bon, 4255 
4130 
4065 
1 
1 
4064 
Very strong lino. 
4040 
j 
i 
4034-9 'I 
4036-5 Some of these 
Strongest group of lines in the whole spec- 
4033-8 ! 
4033-8 wave-lengths 
trum. They appear as a band degraded 
1 
Reversed in have been 
towards the less rafrangible i-ays in 
F 
the arc adopted from 
MnO., 
4032-7 
4032 Watts’ Index 
4029-9 J 
4029-5 of Spectre. 
Strong, coincident Avith a solar line . . . 
3894 
Vei-y strong line, coincident Avith a solar line 
3886 
?? M 
3878 
1 
Two Aveak lines, coincident with tAAm solar 
3874 ■) 
lines 
3866 / 
i 4032-7 
P4030 
3895 
.3887 
3878-5 
/ .3872 
1 3866 
From this point all lines in the Bessemer flame spectrum are coincident with solar lines. 
3860 
Very strong line. 
3860 
3834 
Strong line. 
3835 
3824-5 
3824 
3727 
XVeak line, coincident with the solar line M 
3728 
3722-8 
Strong line. 
3721 
3619 ■) 
3609 / 
A pair of well-defined fairly strong lines 
r 3621 
{ 3607-5 
3587-2 
Yery weak line. 
3.589 
3585-5 
,, „ „ not in 3rd spectrum . 
3587 
3581-5 
Strong sharp line, in 1st spectrum onlv. 
3578 
coincident AAnth solar line N 
3570 ■) 
.3566 / 
Two sharp fairly strong lines. 
/ 3571 
t 3568 
3558-8 
A very Aveak line. 
35.59-5 
3498 
XYeak line. 
3498 
3491 
Fairly strong line, in 2nd spectrum only 
3490-5 
3477 1 
3475 / 
Pair of weak lines. 
/ 3476 
1 3473-5 
3441 
Weak line. 
3442 
