Copper and Iron Compound Bar for Thermal Expansion Heat & Thermodynamics_Temperature & Heat sized as both a teaching

sized as both a teaching demonstrator and a small-footprint bench AC supply

sized for resistance coils and thermocouple legs where copper-nickel alloy holds its value across temperature swings

letting students see conduction-rate differences in one view

5 inches each supports crafting projects

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

Copper and Iron Compound Bar for Thermal Expansion Heat & Thermodynamics_Temperature & Heat sized as both a teachingRiveted 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.