United Scientific Supply Compound Bar Set

United Scientific Supply Quick and easy tools for demonstrating thermal expansion There are four bar combinations BrassAluminum, BrassIron, CopperIron, and Brass Copper Since each metal has a different coefficient of thermal expansion, they will create a unique curve when paired with a different metalMetal bars are stamped with the identification of each metal, Aluminum (Al), Iron (Fe), Copper (Cu) The Brass bar is not stamped Includes activity guide - USS