316 
Colour of the 
Continuous 
Spectrum at 
the Place. 
Glaucous. 
PROFESSOR PIAZZI SMYTH ON 
Object Observed, generally a black, fixed 
Fraunhofer Line. 
Faint haze band, .. 
Double line: 1st component, 
2nd component, 
Fine line, 
Do. 
Sharp strong line na in Oe 
strom’s map), 
Fine line, 
Do. 
Fine line, 
Do. 
Do. : : 
Very fine line, . 
Strong and pe line, ) Very _ faint 
Do. 0. triplet here 
Do. do. in Angstr. 
Strong line, . 
Very fine double line; Ist component, 
2nd do. . 
Fine line, 
Clear line, 
Fine line, ‘ : é 
Strong double line : 1st component, . 
(Single j in Angstr.) 2nd = do. : 
Strong line, 
Fine line, 
Hazy line, 
Strong, unequal double line— 
1st component, 
(Singlein 
Angst.) 2nd and seid td ae: 
Fine line, ; ; 
Fine line, 
Do. 
Do. 
Strong line, 
Very fine line, . ; : : “ 
Do; sidos : P : 
Fine line, 
Stronger line, 
Fine line, 
Do. 
Strong line, 
Fine line, 
Stronger line, 
Fine line, 
Strong line, 
Fine fine, 
Faint double line ; 1st component, 
2nd ~— do. 
Faint double line : 1st component, 
2nd do. 
Faint hazy line, 
Fine line, ; 
Hazy line, 
Fine line, 
Intensity 
of black, or 
thickness 
of line. 
He 
| 
None HBPrHOoOOrF bo bd bp ce tl nll ool 
NA AAN a 
a 
oc) 
Be ee SHEED HH HHOO PH ee et BP pp 
* © oa aa 
———o—o? 
Appear- 
ance by 
graphical 
compara- 
tive 
symbol. 
Micrometer 
Reading. 
Rey. 
13°296 
13°380 
13°3938 
13°460 
13°497 
13564 
13614 
13°638 
13°678 
13°744 
13°776 
13°823 
13°884 
13°965 
13°990 
14030 
14068 
14:080 
14°131 
14°204 
14°286 
14333 
14°375 
14°460 
14°560 
14°655 
14°661 
14°693 
14°708 
14'755 
14°855 
15027 
15:07 
PLACE- 
DATA, |Chemical-origin- 
from data from 
Angstrom's Angstrom, 
Grating Nor-| Thalen, &c. 
mal Solar 
Spectrum. 
Calcium. 
Tron. 
Cobalt. 
Tron. 
Tron. 
Nickel. 
- Nickel. 
t 52 600 | Nickel. 
52 664 Manges 
Calcium. 
Titanium. 
Tron. 
Iron. 
Tron. 
53 005 Cobalt. 
Concluded 
AVE- 
NUMBER- 
PLACE, per 
British Inch. 
52 325 
52 346 
52 358 
52 382 
52 389 
52 720 
52 737 
52 743 
52 750 
52 759 
52 763 
52 776 
52 795 
52 816 
52 827 
52 838 
52 860 
52 887 
52 911 
52 913 
52 921 
52 924. 
52 937 
52 962 
53 005 
53 018 
Differences, | 
3. aq 
2s| 8 
ss] 8 
s5| 2 
a°| @ 
} 
|) 
I 
| 
|, 
—____——— 
Ss =e 
