self-contained
Description:
Balance
the
base
of
this
stirling
engine
on
your
upturned
and
level
palm.
It
only
requires
a
ΔT
of
4°
-
be
patient;
this
may
take
a
moment.
If
you
must
give
the
engine
a
little
help
to
start,
please
turn
it
only
in
the
direction
indicated.
DO
NOT
place
this
engine
on
anything
warmer
than
a
cup
of
coffee.
Anything
more
will
cause
permanent
damage.
PIRA 4F30.10