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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
693
Mons.
Kempelen’s
bellows,
which
were
formed
to
supply
the
place
of
lungs,
had
no
peculiarities.
He
found
that
his
machine
required
six
times
the
quantity
of
air
used
by
a
man
in
speaking.
The
muzzle,
as
I
have
observed,
was
inserted
into
the
large
air-chest,
and
the
air
which
it
discharged
was
also
received
by
the
small
air-chest.
With
regard
to
the
mouth,
it
consisted
of
a
funnel,
or
rather
bell-shaped
piece
of
elastic
gum,
applied
to
the
air-chest,
and
so
adapted
that
the
sound
of
the
reed
issued
from
it.
Elastic
gum
was
selected
for
this
purpose
as
more
nearly
approaching
to
the
natural
softness
and
flexibility
of
the
human
organs.
Independent
of
its
communications
with
the
reed
producing
the
sound
required,
a
tin
tube
connected
it
with
the
air-chest,
by
means
of
which
it
might
be
kept
constantly
full
of
air.
This
Mons.
Kempelen
considered
a
very
essential,
and
even
an
indispensable
part
of
the
machine.
Besides
these
there
were
small
additional
bellows,
for
the
purpose
of
aiding
the
production
of
such
sounds
as
p,
k,
t,
which
needed
a
greater
emission
of
air.
The
nose
consisted
of
two
tin
tubes,
communicating
with
the
mouth.
When
the
mouth-piece
was
closed,
and
both
tubes
remained
open,
a
perfect
m
was
heard;
when
one
was
closed,
but
the
other
open,
n
was
sounded.
By
the
combined
means
of
all
these
contrivances
Mons.
Kempelen
could
make
his
figure
repeat
such
sentences
as
Vous
étes
mon
ami,
Je
vous
aime,
etc.
Upon
Kempelen’s
machinery
all
succeeding
talking
figures
have
been
based.
Marker
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Fine marker
White-out
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