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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
310
THE
SNUFF-BOX
VASE.--This
is
an
apparatus
of
frequent
use
in
Watch
Tricks,
and
it
may
be
also
made
available
with
many
other
articles.
It
is
made
of
various
sizes,
from
five
to
eight
inches
in
height,
and
of
the
shape
shown
in
Fig.
102.
It
consists
of
three
parts,
the
cover
a,
the
vase
proper
c,
and
a
moveable
portion
b,
the
latter
being
made
with
double
sides,
so
that
it
fits
at
once
in
and
upon
c.
If
a
is
raised
without
pressing
its
sides,
it
comes
off
alone;
but
if
its
sides
are
pressed
in
removing
it,
it
lifts
off
b
with
it.
In
this
compartment
b
is
placed
a
small
round
box
of
tin
or
cardboard
(from
which
the
vase
derives
its
name),
and
another
box,
exactly
similar
in
appearance,
is
placed
underneath
b,
inside
the
vase
proper
c.
Whether,
therefore,
the
cover
is
removed
with
or
without
b,
the
audience
see
apparently
the
same
box
within.
The
only
circumstance
that
could
possibly
excite
suspicion
would
be
the
greater
depth
of
c
as
compared
with
b;
and
this
is
obviated
by
making
the
bottom
of
c
moveable,
resting
on
a
spiral
spring
passing
through
the
foot
of
the
apparatus.
When
b
is
in
the
vase,
the
bottom
of
c
sinks
down
to
make
way
for
it,
but
again
rises
by
the
pressure
of
the
spring
as
soon
as
b
is
removed.
To
the
eye
of
the
spectator,
therefore,
the
interior
of
the
vase
appears
always
of
the
same
depth.
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