double wall, AluminiumThe inner
and outer walls are made from
Aluminium. It can also be made
available in Copper. It has a Bakelite
lid fitted with a rubber stopper for
thermometer and a metal stirrer.
used for demonstration of
expansion of solids by heating and contraction by cooling. It includes
a metal bar mounted on rod with insulated handle and a U-shaped
metal gauge also mounted on an insulated handle.
