Demonstration Meter Included_Rod and ray-tracing demos

and ray-tracing demos

dimensioned as the matched replacement carriage for the LED ray box (PH0602ALED) track when an original rider is lost or damaged

letting instructors tailor voltage to light sources and experiment-specific requirements

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

Larger 125-millimeter slotted screwdriver with a 4mm tip and durable plastic handle

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.