Note: Probably filmed in the Pathe Studio

C/U of a man dressed as a 'crazy professor'. The commentator with the aid of several diagrams shows some of his bizarre inventions which include a rubber shelter that deflects bombs, a large magnet that pulls the bombs into the River Thames and bomb that sounds the all clear siren as it drops on Germany. The professor then demonstrates his new inventions which sends out an electric pulse on German soldier, this promptly been missing