6 "Our client denies absolutely the contents of your letter and takes the strongest exception to the sug¬ gestion that his action has been dishonest. Our client has filed the design of his boat hull,the window structure and the Super 20 Boat in the Designs Office in Pretoria and you are referred to the Application Nos. 830645/6/7." At the beginning of September, Butt examined a boat named "Bon Voyage 3" which had reportedly been manu¬ factured by Schultz. With slight differences its hull was identical with the Butt-Cat hull and it was obvious to him that it was a copy. Later that month, a photo¬ graph was taken of Schultz's mould at his premises: it was substantially identical with the Butt-Cat mould. He learned that Schultz had acquired a complete Butt-Cat hull.....