CATHODE RAY TUBES: Maltese cross, Paddle wheel

CATHODE RAY TUBES: Maltese cross, Paddle wheel

Different types of Cathode Ray Tubes each comprising a horizontal glass tube fitted with an aluminium plate coated with fluorescent material.
Cathode rays pass through the slit on the cathode end bent at right angles casting a sharp, bright image across the aluminium plate then deflect when a magnet nears the tube.
* A HIGH VOLTAGE SOURCE IS REQUIRED FOR THESE CATHODE RAY TUBES *.