Tube holder to support all S series (student) electron tubes for easy and safe operation. The five pin sockets for the tube are concealed inside the tube holder. A cathode protection switch is integrated into the tube holder, to protect the heated cathode from excessive voltage.
CNC lathe machine Training System, work material for the lathe is Perspex, applying a machine to cut and shape objects out of raw materials, contains a CNC lathe as well as the necessary accessories with control software