Description

Demonstration tool for Thermal Expansion and Cooling Contraction of Metals. Consists of a steel bar measuring 100 x 10 mm mounted on a holder and a plated brass gauge with a specially shaped cutout that allows the bar to fit.The gauge is equipped with a horizontal slot that is slightly longer than the length of the rod, a circular hole that has a slightly larger diameter than the rod, and a notch with a width slightly smaller than the rod’s diameter.