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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
423
There
is
another
form
of
the
Obedient
Ball,
designed
for
drawing-room
use.
The
ball
in
this
case
is
about
two
and
a
half
inches
in
diameter,
and
the
bore
is
straight,
but
tapering
from
a
quarter
of
an
inch
at
the
one
opening
to
about
half
an
inch
at
the
other.
The
cord
used
is
a
thin
piece
of
whipcord,
and
the
ball
therefore
runs
quite
loosely
upon
it.
There
is,
however,
in
this
case
an
additional
element
in
the
apparatus,
consisting
of
a
little
black
wooden
plug,
about
an
inch
in
length,
and
tapering
so
as
to
fit
midway
in
the
bore
of
the
ball.
(See
Fig.
133,
in
which
a
represents
a
nearly
full-sized
view
of
the
plug
in
question.)
The
plug
is
bored
after
the
manner
of
the
large
ball,
the
hole
being
of
such
a
size
as
to
just
allow
the
cord
to
run
through
it.
This
plug
is
secretly
threaded
upon
the
cord
before
commencing
the
trick;
the
cord,
which
in
this
case
has
a
tassel
instead
of
a
knot
at
one
end,
being
passed
through
it
from
the
larger
end.
This
plug
is
kept
concealed
in
the
hand
of
the
performer,
the
string
being
allowed
to
dangle
down
on
each
side
of
it.
The
ball
is
handed
round
for
examination,
and,
when
returned,
the
cord
is
passed
through
it
from
the
side
which
has
the
larger
opening.
The
ball
is
then
allowed
to
drop
quickly
to
the
full
extent
of
the
cord.
As
it
runs
down,
it
encounters
the
plug,
which
is
thereby
placed
in
position
within
the
ball,
and
both
run
down
together
until
stopped
by
the
tassel.
From
this
point
the
working
of
the
trick
is
the
same
as
with
the
larger
ball.
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