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Ball & Ring

Ball & Ring
Product Code :  HTM-050-100Price:  £10.16 /each(Exc. 20% VAT)Saver Points: 20

A simple and economical device for demonstrating the thermal expansion of solids. Comprises an annular brass ring and ball both mounted on insulated handles. When cold the ball easily passes through the ring, but after heating it will not. If both are heated equally, then the ball also passes through the ring.

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