Inventor E.W. Davies and his machine that plays noughts and crosses.
Noughts and crosses machine, Teddington, Middlesex.
L/S sparks flashing from transformers. Various shots of National Physical Laboratory. L/S huge spark flashing. Good shots electronic apparatus.
Various shots young inventor, E.W. Davies with his electrical noughts and crosses machine. The machine "thinks" for itself and beats Davies at games of noughts and crosses - a primitive sort of computer?