108 / 230
108
THE
COMPLETE
PRACTICAL
DISTILLER.
tube
:
this
mode
of
fastening
has
been
considered
the
most commodious.
E
F
is
a
safety-tube,
which
is
also
used
in
filling
the
still,
and
which
plunges
into
the
latter
to
about
5
centimetres
from
the
bottom.
This
tube
is
a
safety-tube,
insomuch
as
it
would
cause
the
water
to
run
out
by
its
orifice
E
if
the
pressure
in
the
still
was
too
great
;
and
it
also
shows,
by
giving
passage
to
the
steam,
when
the
water
should
be
renewed
in
the
latter.
HE
H
-(C"
nnnnvnt7
Fig.
13.
G
is
a
cock
fixing
the
level
of
the
water
in
the
still
when
charged.
To
effect
this
it
is
always
open,
in
a
con-