Copper and Iron Compound Bar for Thermal Expansion Heat & Thermodynamics_Temperature & Heat 5 inches each supports crafting

5 inches each supports crafting projects

letting students see conduction-rate differences in one view

Large-wheel pulley mounted on a universal clamp for attachment to retort rods or support stands

Needle valve and flame stabilizer add precision control to this nickel-plated micro Bunsen burner running on natural gas for small-flame work

Copper and Iron Compound Bar for Thermal Expansion Heat & Thermodynamics_Temperature & Heat 5 inches each supports craftingRiveted compound bar of copper and iron strips at 200 by 15mm, flexing under heat as each metal expands at a different rate, the working principle behind bimetallic thermostats.