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log-burner
Welsbach burner
noun
A
burner
in
which
the
combustion
of
a
mixture
of
air
and
gas
or
vapour
is
used
to
heat
to
incandescence
a
mantle
composed
of
thoria
and
ceria.
The
mantle
is
made
by
soaking
a
"stocking"
in
a
solution
of
nitrates
of
thorium
and
cerium,
drying,
and,
for
use,
igniting
to
burn
the
thread
and
convert
the
nitrates
into
oxides,
which
remain
as
a
fragile
ash.
charcoal burner
noun
burnet rose
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