Description
and ray-tracing demos
Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed
letting instructors tailor voltage to light sources and experiment-specific requirements
dimensioned as the matched replacement carriage for the LED ray box (PH0602ALED) track when an original rider is lost or damaged
Demonstration Meter Included_Rod and ray-tracing demosPermanent magnet moving coil meter mounted in a transparent wooden box with all internal electrical connections visible, sized so students can see the moving coil mechanism while it reads.
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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