Description

It consists of a large board on which in mounted a low-voltage electric pump, connected to 4mm socket terminals, which circulates the water through the circuit is of clear plastic tubing connected to glass tubes of differing bores representing resistances. Across the resistance is connected a detachable manometer to show the potential difference. Following the resistance is a taper-ended tube discharging into a funnel so that the rate of flow representing the current may be shown.

Dimensions: board 590x 320mm approx, monometer 275x 115mm approx.