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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
205
The
key
is
then
again
turned
as
if
unlocking
the
box,
when
the
tail
of
the
bolt
catches
the
stud,
and
secures
the
flap.
The
box
will
in
this
condition
bear
any
amount
of
examination,
but
as
soon
as
it
is
closed,
and
the
key
turned
to
lock
it,
the
tail
of
the
bolt,
being
again
shot
forward,
no
longer
retains
the
stud,
and
the
flap
falls.
When
in
actual
use,
a
card
(say
the
ace
of
spades)
is
placed
upon
the
flap,
and
folded
up
with
it
against
the
front
of
the
box.
The
card
to
be
changed
(suppose
the
nine
of
diamonds)
is
in
due
course
openly
placed
in
the
box,
which
is
then
handed
to
some
one
with
a
request
that
he
will
himself
lock
it,
that
there
may
be
no
possibility
of
deception.
The
trick
proceeds,
and
when
the
box
is
again
opened,
the
card
placed
therein
is
found
transformed
to
the
ace
of
spades.
Some
card-boxes
are
so
made,
that
the
flap,
instead
of
falling
actually
upon
the
bottom
of
the
box,
falls
parallel
to
it,
but
at
a
distance
of
an
inch
or
so
above
it,
leaving
a
hollow
space
beneath
capable
of
containing
a
lady’s
handkerchief,
a
canary,
or
any
other
small
article,
which,
being
covered
by
the
falling
flap,
is
thus
apparently
changed
into
a
card.
The
box
in
this
case
is
somewhat
taller
in
proportion
than
that
above
described.
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