Tyndall's bolt-sprænger

U shaped clamping set-up with a metal rib and fastening screw for demonstrating the linear expansion of metals on heating, as well as the tremendous forces which can be exerted in the process. The set includes 10 cast-iron bolts for breaking in the course of the experiment.
Diameter for bolt hole: approx. 11 mm
Length of clamping fixture: approx. 285 mm
Weight: approx. 1400 g