Description:09 17 47 00 Archives. On 1935. Discovery of the biggest diamond to the world, close-up man showing precious stone, man puts small diamonds close to show the difference. Sport, feminine tennis match, finale of Wimbledon between two Americans. Helen Jacobs and Helen Willsmoody. Exchanges, strike balls with rackets, services. Match point. Victory of Helen Willsmoody. Applauses. Invention of a new sport, " the aquaplane ", sort out of big water-skiing with engine. A couple slides on the water, aquatic sport. Ancestor of the aquatic motorcycle. Demonstration, she bounces on the water, funny scene. As if she skipped.