Eisco-Bi-Metal-Strip-Eisco-PH0383-P-A-riveted-bimetallic-strip-with-a-wooden-handle-P-P-When-heated-the-strip-bends-showing-that-one-metal-has-expanded-more-than-the-other-The-strip-straightens-again-when-cooled-P-Eisco-Bimetallic-Strip-Demonstration