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The discovery of the Gas Laws goes back to 1662
- Name: Magnetic Stirrer
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air-flow ( cfm cmm) : 0-999900
Whether for educational purposes or professional research
Bar And Gauge floor model centrifuge The discovery of the GasBar And Gauge 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. Heating the bar and then comparing it to the gauge provides an excellent visual demonstration of thermal expansion.
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