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WATER CIRCUIT BOARD
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Consists of a large board on which is mounted a low voltage electric pump, connected to a 4mm socket terminals that circulates the water through the circuit. The circuit is of clear plastic tubing connected to glass tubes of different bores representing resistances. Across the resistances is connected a detachable manometer 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 of the board : 590x320mm approx.; manometer : 275x155mm approx.
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