Description
6 inches for clean pinhole-imaging and diffraction studies
and a 1-degree protractor
letting students rub one half against the same cloth and compare insulator and conductor behavior in triboelectric charging
5 inch Alnico bar pair with steel keepers
Motor Demonstration Board Pack Size_10 6 inches for clean pinhole-imagingLow voltage DC motor with a current limiting series resistor on a demonstration base with 4mm plug connections, sized as a load that visibly spins when current flows in the circuit.
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
