Queen Elizabeth II visits the British industries fair in Birmingham, England. Prince Philip, Duke of Edinburgh, and members of the Royal family, visit the fair. The President of the British Board of Trade welcomes Queen Elizabeth II. They are shown a miniature model of the Queen's coronation chair. The miniature coronation chair even has a removable Stone of Scone. Prince Richard (Richard Alexander Walter George), and Prince William (William Henry Andrew Frederick), the sons of Prince Henry, Duke of Gloucester, are seen viewing mechanical models of cars. Sir Miles Thomas, Chairman of British Overseas Airways greets the Royal guests and shows them an aircraft model of the Comet jet liner, the world's fastest passenger plane.