Description
Single-pole double-throw switch on a demonstration base
paired with sphere and cylinder counterparts to extend the electrostatic-curvature comparison up the size scale
violet - cover the standard color-mixing palette for ray-box and projector demonstrations
Low-level peroxide test strips in a 50-strip vial calibrated at 0
NTC Thermistor Demonstration, 4.7kΩ in Glass Tube Item Type_Springs Single-pole double-throw switch on aGlass tube housed NTC thermistor at 4. 7 k nominal resistance with 4mm socket leads, showing the inverse resistance vs temperature relationship through any standard ohmmeter circuit.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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