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Product Description

Ring and Ball, Gravesande's (HT-1506)

It consists of a 25 mm dia brass ball, secured to a brass ring by a chain, with wooden handle. Brass ball when cold will pass through the ring, but when heated, it will not. Thus this simple apparatus demonstrates effectively the thermal expansion.
A. Ball Dia 25 mm B. Ball Dia 18 mm

Qty :

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