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210
The Fairy-Land of Science
·
Arabella B. Buckley
155
Let
us
imagine
that
we
have
put
on
old
clothes
which
will
not
spoil,
and
have
stepped
into
the
iron
basket
(see
Fig.
46)
called
by
the
miners
a
cage,
and
are
being
let
down
the
shaft
to
the
gallery
where
the
miners
are
at
work.
Most
of
them
will
probably
be
in
the
gallery
b,
because
a
great
deal
of
the
coal
in
a
has
been
already
taken
out.
But
we
will
stop
in
a
because
there
we
can
see
a
great
deal
of
the
roof
and
the
floor.
When
we
land
on
the
floor
of
the
gallery
we
shall
find
ourselves
in
a
kind
of
tunnel
with
railway
lines
laid
along
it
and
trucks
laden
with
coal
coming
towards
the
cage
to
be
drawn
up,
while
empty
ones
are
running
back
to
be
loaded
where
the
miners
are
at
work.
Taking
lamps
in
our
hands
and
keeping
out
of
the
way
of
the
trucks,
we
will
first
throw
the
light
on
the
roof,
which
is
made
of
shale
or
hardened
clay.
We
shall
not
have
gone
many
yards
before
we
see
impressions
of
plants
in
the
shale,
like
those
in
this
specimen
(Fig.
47),
which
was
taken
out
of
a
coal-mine
at
Neath
in
Glamorganshire,
a
few
days
ago,
and
sent
up
for
this
lecture.
You
will
recognize
at
once
the
marks
of
ferns
(a),
for
they
look
like
those
you
gather
in
the
hedges
of
an
ordinary
country
lane,
and
that
long
striped
branch
(b)
does
not
look
unlike
a
reed,
and
indeed
it
is
something
of
this
kind,
as
we
shall
see
by-and-by.
You
will
find
plenty
of
these
impressions
of
plants
as
you
go
along
the
gallery
and
look
up
at
the
roof,
and
with
them
there
will
be
others
with
spotted
stems,
or
with
stems
having
a
curious
diamond
pattern
upon
them,
and
many
ferns
of
various
kinds.
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