small: luer-lock syringe, coin and feather tube
large: vacuum pump, coin and feather tubes
Description:
small:
attach
the
syringe
to
the
tube
using
the
provided
tubing.
Evacuate
the
coin
and
feather
tube
with
the
syringe
-
the
syringe
may
be
detached
at
the
midpoint
without
releasing
the
partial
vacuum.
large:
one
tube
will
be
evacuated
while
the
other
will
be
at
atmospheric
pressure.
Remove
the
lock-pin
from
the
frame
and
rotate
the
pair
of
tubes
180°.
This
version
of
the
demonstration
requires
much
more
prepartion
time
than
the
small.
PIRA 1C20.10