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Barlow Wheel

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Product Name: Barlow Wheel

Product Code:  In stock

A star shaped copper disc 90mm dia rotatable vertically on pair of adjustable centres & dipping into small mercury trough between the vertical limbs of a small horse shoe magnet on a wooden base 150x100mm. The disc adjustable vertically on a metal pillar 75mm high, which is connected to one of the two terminals mounted on the base. The other terminal is connected to the mercury trough. Operates on 4 Volts.