Apparatus Bar & Gauge Manufacturer,Supplier and Exporter in India

For illustrating expansion by heat and contraction by cooling. Length 225mm approx.

Comprising a bar of iron 108 mm x 12.7 mm l x d, mounted on a support rod fitted with a wooden handle and a brass gauge 150 x 38 mm with a cut-out -which just admits the bar lengthways and a hole and a hole which passes the bar endways when cold.