5223 Cathode Ray Tube with Whirl
Cathode Ray Tube with Whirl
This tube enables you to show the mechanical effects of cathode rays. In fact a small, fluorescent whirl , which can rotate with little friction, starts spinning the moment the cathode ray beam hits it.
To be used with 5cm Spark induction coil.
CLICK HERE FOR 5cm SPARK INDUCTION COIL