Description
Used as the red-rail partner to the 750mm black 4mm lead
providing a stable burner on classroom benches while controlling flame type through a collar
letting students see conduction-rate differences in one view
sized for resistance coils and thermocouple legs where copper-nickel alloy holds its value across temperature swings
Magnetic-base pulley with a 50mm ball-bearing plastic wheel
Copper and Iron Compound Bar for Thermal Expansion Heat & Thermodynamics_Temperature & Heat Used as the red-rail partnerRiveted 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.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























