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Modern Magic: A Practical Treatise on the Art of Conjuring
·
Professor Hoffmann
620
The
third
or
right-hand
set
of
levers
is
a
little
more
complex
in
its
operation,
inasmuch
as
it
has
to
perform
a
double
office,
the
expulsion
of
two
cards
from
the
mouth,
and
the
elevation
of
two
others
at
the
top
of
the
head.
The
cards
to
be
shot
from
the
mouth
are
placed
beforehand
(from
the
front)
in
the
receptacle
indicated
in
Fig.
289
by
the
letters
m
m,
and
a
“plan”
of
which
is
given
in
Fig.
290,
and
a
back
view
in
Fig.
291.
m
m
is
a
flat
piece
of
tin,
its
edges
folded
over
so
as
to
form
a
receptacle
or
platform
just
capable
of
holding
easily
a
couple
of
cards;
n
is
a
spring,
which,
when
the
cards
are
put
in
position,
is
“set”
by
being
drawn
back
into
the
notch
of
the
catch
o.
When
an
upward
pressure
is
exerted
by
the
shaft
p
p
on
the
elbow-piece
q
q
q,
the
latter
pressing
against
r
draws
back
this
catch,
and
releases
the
spring,
which
forthwith
shoots
out
the
two
cards
from
the
mouth.
The
other
two
cards
are
inserted
in
the
clip
s
(see
Fig.
291),
consisting
of
two
small
pieces
of
sheet
brass
soldered
to
the
end
of
the
rod
t,
which
works
up
and
down
piston-wise
in
the
tube
u
u.
Within
the
tube
is
a
spiral
spring
which
impels
s
upwards
level
with
the
top
of
the
head,
across
which
a
slit
or
opening
is
made
to
allow
of
the
passage
of
the
cards.
This
portion
of
the
apparatus
is
set
by
placing
the
two
cards
in
the
clip,
and
then
drawing
down
the
piston-rod
by
the
cross-piece
v,
which
is
riveted
thereto,
and
hitching
such
cross-piece
under
the
catch
w.
The
upward
movement
of
the
shaft
p,
at
the
same
time
that
it
draws
back
the
catch
o,
also
draws
back
the
catch
w,
thereby
releasing
v,
and
allowing
the
clip
s
and
the
two
cards
therein
to
spring
upward,
and
appear
at
the
top
of
the
head.
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