Ring And Ball Apparatus micrometer symbol These controllers automatically switch on

These controllers automatically switch on the motor when the tank level is low and automatically switch off when the tank becomes full

k : 0-100 ppm

Cup Counter measuring wind velocity

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

Ring And Ball Apparatus micrometer symbol These controllers automatically switch onRing 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.