Compare line spectra of the gas
tubes
with the continuous spectrum from an
incandescent lamp or that of the fluorescent lights overhead.
NOTES
Argon, oxygen, nitrogen, chlorine,
and sodium spectrum tubes are also available.
Insert plexiglas rod with metal
ends into power supply. Plug power supply into outlet strip,
since
power supply has no switch. Connect frame of tube holder to
ground
on outlet strip.
