Ring and Ball
Catalogue No: 1060020/2
A simple and economical device for demonstrating the thermal expansion of solids. Comprises an annular brass ring mounted on an insulated handle and a captive brass ball secured to the ring handle through a chain and having diameter just smaller than the internal diameter of the ring. When cold, the ball easily passes through the ring but does not pass on heating. Both ring and ball when heated to the same extent, the ball still passes through the ring showing the expansion of a hole effect. Available in ball diameters:
* 19mm
Pack of (Set): 1
A simple and economical device for demonstrating the thermal expansion of solids. Comprises an annular brass ring mounted on an insulated handle and a captive brass ball secured to the ring handle through a chain and having diameter just smaller than the internal diameter of the ring. When cold, the ball easily passes through the ring but does not pass on heating. Both ring and ball when heated to the same extent, the ball still passes through the ring showing the expansion of a hole effect. Available in ball diameters:
* 19mm
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