US$ 79.99
variable valve timing (VVT)
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
sized as both a teaching demonstrator and a small-footprint bench AC supply
Copper and Iron Compound Bar for Thermal Expansion Heat & Thermodynamics_Temperature & Heat variable valve timing (VVT)Riveted 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.
US$ 79.99
US$ 17.95
US$ 199.99
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