Dr. Irving Caldwell has devised a helmet capable of levitating its wearer and is kidnaped by a villainous scientist- the Chinese genius, Dr. Zap, who wants Caldwell's helmet to duplicate for his own evil use.
Dr. Irving Caldwell has devised a helmet capable of levitating its wearer and is kidnaped by a villainous scientist- the Chinese genius, Dr. Zap, who wants Caldwell's helmet to duplicate for his own evil use.