To show that pressure of liquids depends upon their height of the columns and not
on the capacities of the vessels. With four vessels of different shapes. A pillar with rod is mounted vertically on a
wooden
base. The four vessels of different shapes with screw fittings supplied, can be attached on a support (one at
a time) which
is open from the bottom. Below this a lever is provided, on one end of which weights can be added and
on the other end a
disc, on which the liquid in the vessels exerts the pressure. A pointer indicates the level of
liquid.
