GASEOUS SPECTRA IN VACUUM TUBES. 
OLEFIANT GAS. 
=Ethylene=Heavy Carburetted Hydrogen=C,H,. 
Scarlet-Red. | Part 2. 
Red line beginning a band, 
is Hydrogen breaks in on that 
and, 
( Bundle of haze bands begins, 
Light-Red. | 
lh lines therein, 
End of the bundle of haze, . 
Narrow band or broad line, 
Band almost resolvable into lines, . 
A very thin line intervenes, . 
Resolvable band, 
Very black but narrow space fides 
Broad line, ; : : : 
Resolvable band, 
A brighter resolvable band, 
Very black line or space intervenes. 
Resolvable band begins, 
= Bright line therein, 
ends, 
Orange. 
Narrow hard band, 
After a dark a, a resolvable 
band, 
Dark space with ver 'y thin lines, 
Thin double line? . 
Dark space with very thin bright 
lines, 
Another bright line, 
Yellow. 
Part 3 : 
Brieht line left off at before, . ; 
End of the attendant resolvable 
ed. : ; 5 : 
Thick faint line, ; 
Very bright line perhaps double, 
Faint band of just resolvable lines, 
Narrow band, 
Broad beginning of another band, 
Thin bright line, ; : 
End of that band, 
Citron. 
Strong line (Citron line 1), 
Sharp beginning of band, 
Supposed Citron line 2, 
After haze, another line, 
After more haze, another line, 
- OO 
oOo OO 
Colour. Subject of Observation. 
Part 1. 
Faint haze band, 
Red. Do. do. 
Broad haze band, 
Do. do. 
a 
oOo 
X 
NOR HHH gq uM 
AAIAKAS 
ans Sad 
wb ONO wp Co ROO 
oO 
mm po 
ENpD-on TUBE. 
W.N. Place. 
944 
316 
901 
201 
Ss 
— SS ~~ 
Oxygen ? 
VOL. XXX. PART I. 
October 9, 1879. 
137 
Left unclaimed 
Constituent 
aissoelated. ian aes 
None 
Carbon distinct from 
Carbo- 
hydrogen ; 
Carbon Bae that, 
Coren Olefiant gas 
claims the 
utmost part 
in, of all the 
Carbon gases here 
Hydrogen — 
Hydrogen 
Hydrogen 
Hydrogen 
Hydrogen 
Carbon? and 
Hydrogen ? 
Hydrogen 
Hydrogen 
Hydrogen 
Hydrogen 
Hydrogen ? 
Carbon ? 
Hydrogen 
Hydrogen 
Hydrogen 
Hydrogen 
Hydrogen 
Hydrogen ? 
Hydrogen 
Hydrogen 
| 
Carbo- 
| Hydrogen 
Carbon 
Carbo- 
Hydrogen 
Carbo- 
Hydrogen 
Carbo- 
Hydrogen 
x 
