Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
Atmospheric Mat with Hook, Measures 10.5 x 10.5 In, durable, thick rubber mat has a simple design that demonstrates a powerful concept - Atmospheric Pressure
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