Product Code: CHINALSCHOOLS8530016
Categories: School Heat Lab
Bar and Gauge Apparatus Suppliers in China
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.
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.
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