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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
376
This
feat,
which
appears
perfectly
miraculous
to
the
uninitiated,
is
performed
by
the
simplest
possible
means.
All
that
you
have
to
do
is
to
count
secretly
the
row
of
dominoes
as
far
as
the
thirteenth
from
the
left-hand
end,
or
(which
is
the
same
thing)
the
eighth
from
the
right
hand
end,
the
points
of
which
will
invariably
be
the
same
as
the
number
moved
from
the
right
to
the
left
of
the
row.
You
do
not
know,
until
the
domino
is
turned
up,
what
that
number
actually
was,
but
you
must
by
no
means
let
the
audience
suspect
this.
You
must
boldly
assume
to
know
the
number,
and
from
that
knowledge,
aided
by
some
clairvoyant
faculty,
to
have
selected
a
domino
whose
points
shall
represent
that
number.
Thus,
having
selected
the
proper
domino,
you
call
upon
the
audience
to
state
the
number
moved,
after
which
the
turning
up
of
the
selected
domino
is
regarded
by
the
audience
merely
as
a
proof
that
you
were
correct
in
the
previous
knowledge
for
which
they,
without
the
smallest
foundation,
give
you
credit.
After
this
domino
has
been
turned
up,
it
is
easy,
knowing
the
original
order
of
the
thirteen
of
which
it
forms
one,
to
name
two
or
three
on
either
side
of
it.
In
most
instances
you
will
only
know
the
total
figure
of
a
given
domino,
as
two
or
three
different
combination
of
points
will
give
the
same
total.
(Thus
a
total
of
seven
may
be
represented
by
either
six
and
one,
five
and
two,
or
four
and
three.)
But
there
are
two
or
three
dominoes
of
which,
if
you
know
the
total,
you
know
the
points
also.
Thus
a
total
“twelve”
must
be
always
“double-six,”
a
“blank”
always
“double-blank,”
a
“one”
always
“blank
one.”
By
naming
one
or
two
of
these,
as
if
hap-hazard,
you
will
prevent
the
audience
suspecting,
as
they
otherwise
might,
that
your
knowledge
is
limited
to
the
total
of
each
domino.
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