Bar & Gauge Apparatus Manufacturer, Suppliers and Exporter in India
Product Code : JLI-PLE-11242
Comprising a bar of iron mounted on a support rod with wooden handle, and a brass gauge with a cut-out which barely admits the bar lengthways while cold, and a hole which passes the bar endways only while cold.
For illustrating expansion by heating and contraction by cooling.
Heating the bar and then comparing it to the gauge provides an excellent visual demonstration of thermal expansion.