Bar & Gauge Apparatus Manufacturer,Supplier and Exporter in India

Product Code : SLE/PHY/135

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. 
Heating the bar and then comparing it to the gauge provides an excellent visual demonstration of thermal expansion.
For illustrating expansion by heating and contraction by cooling. 

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