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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
709
A
B
C
are
the
three
legs
of
table,
A
B
and
B
C
being
the
two
plates
of
glass.
D
D
are
the
two
screens
concealing
the
single
legs
E
E.
According
to
the
laws
of
reflection
the
legs
E
E
will
be
reflected
in
the
point
F,
and
thus
present
the
appearance
of
four
legs.
Upon
each
of
the
legs
is
placed
the
placard
bearing
the
name
written
backward,
and
the
reflection
so
deceives
the
spectator
that
he
fully
believes
he
is
looking
at
a
fourth
substantial
leg.
Of
course
the
upper
table
upon
which
the
visible
portion
of
the
body
appears
to
rest
is
likewise
made
of
three
legs
with
looking-glass
in
between.
The
invisible
portion
of
the
body
is
concealed
by
the
looking-glasses.
The
pattern
of
the
floorcloth
being
of
a
cubic
shape,
the
reflection
in
the
glasses
seems
to
be
a
continuation
of
the
pattern.
It
was
by
these
simple
combinations
of
mechanics
and
optical
contrivances
that
thousands
upon
thousands
of
persons
were
mystified
and
completely
cheated
of
their
senses.
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