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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
457
A
similar
cord
is
passed
down
from
d
in
the
second
pillar
to
c,
and
is
there
rolled
round
a
second
pulley,
but
in
the
opposite
direction
to
that
of
the
first
cord;
so
that,
if
both
pulleys
move
in
the
same
direction,
the
cord
on
the
one
will
be
wound,
and
the
cord
on
the
other
unwound.
Each
pulley
is
of
one
piece
with
its
axis,
the
axis
of
the
one
terminating
in
a
little
square
tenon
or
nut,
and
that
of
the
other
in
a
corresponding
mortice
or
hollow,
so
that
when
the
two
pillars
are
placed
side
by
side,
their
axes
fit
the
one
into
the
other,
and
whichever
of
the
two
pulleys
is
set
in
motion,
the
like
movement
is
communicated
to
the
other.
The
effect
of
this
is
as
follows:
If
the
cord
at
a
be
pulled,
it
unwinds
that
portion
of
the
cord
which
is
wound
on
the
pulley
at
b,
and
by
the
same
movement
winds
up
the
cord
on
the
other
pulley;
and
vice
versâ.
We
have
omitted
to
mention
that
there
is
glued
into
a
little
hole
on
the
flat
side
of
each
of
the
upper
knobs,
exactly
opposite
the
points
a
and
b,
a
very
minute
piece,
say
an
eighth
of
an
inch
in
length,
of
similar
cord;
these
greatly
heightening
the
appearance
of
reality
upon
the
apparent
cutting
of
the
cord.
The
pillars
are
brought
forward
side
by
side,
the
nut
of
the
one
pulley
fitting
strictly
into
the
hollow
of
the
other.
The
performer
shows,
by
drawing
the
cord
backwards
and
forwards,
that
it
fairly
traverses
the
two
pillars
from
side
to
side.
Taking
a
knife,
he
passes
it
between
the
two
pillars,
and
to
all
appearance
cuts
the
cord,
immediately
taking
the
pillars
one
in
each
hand,
and
showing
the
cut
ends
(really
the
short
bits
on
the
inside)
to
prove
that
it
is
fairly
cut
through.
Again
bringing
the
pillars
together,
taking
care
that
the
mortice
and
the
nut
correspond
as
before,
he
commands
the
cord
to
be
restored,
and
again
pulls
it
backwards
and
forwards
as
at
first.
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