Ring And Ball Apparatus micrometer symbol Suitable for applications requiring tight

Suitable for applications requiring tight thermal regulation

A hinged metal strip is available to simulate the loading pattern of a panelled girder for a more advanced experiment on influence lines

We prioritize safety as much as performance

Above 50% RH: Risk of mold

Ring And Ball Apparatus micrometer symbol Suitable for applications requiring tightRing And Ball Apparatus A useful apparatus for demonstrating thermal expansion. Includes a brass ball and a brass ring each mounted on a handle. The ball fits easily through the ring at room temperature. When the ball is heated over a flame, it expands and no longer fits in the ring.