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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
269
A
variation
may
be
introduced
by
causing
the
borrowed
halfpenny
to
re-appear
in
some
other
apparatus,
after
it
has
vanished
from
the
box
in
question.
The
borrowed
coin
may,
if
desired,
be
marked,
in
order
to
heighten
the
effect
of
the
trick.
THE
RATTLE
BOX.
TO
MAKE
A
COIN
VANISH
FROM
THE
BOX,
THOUGH
STILL
HEARD
TO
RATTLE
WITHIN
IT.--This
is
a
useful
and
ingenious
little
piece
of
apparatus.
It
is
an
oblong
mahogany
box,
with
a
sliding
lid.
Its
dimensions
are
about
three
inches
by
two,
and
one
inch
in
depth
externally;
internally,
it
is
only
half
that
depth,
and
the
end
piece
of
the
lid
is
of
such
a
depth
as
to
be
flush
with
the
bottom.
Thus,
if
a
coin
be
placed
in
the
box,
and
the
box
held
in
such
a
position
as
to
slant
downwards
to
the
opening,
the
coin
will
of
its
own
weight
fall
into
the
hand
that
holds
the
box
(see
Fig.
83),
thus
giving
the
performer
possession
of
it
without
the
knowledge
of
the
audience.
Between
the
true
and
the
false
bottom
of
the
box
is
placed
a
slip
of
zinc,
which,
when
the
box
is
shaken
laterally,
moves
from
side
to
side,
exactly
simulating
the
sound
of
a
coin
shaken
in
the
box.
In
its
normal
condition,
however,
this
slip
of
zinc
is
held
fast
(and
therefore
kept
silent)
by
the
action
of
a
spring
also
placed
between
the
two
bottoms,
but
is
released
for
the
time
being
by
a
pressure
on
a
particular
part
of
the
outer
bottom
(the
part
in
contact
with
the
fingers
in
Fig.
83).
A
casual
inspection
of
the
box
suggests
nothing,
save,
perhaps,
that
its
internal
space
is
somewhat
shallow
in
proportion
to
its
external
measurement.
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