D'oraison, Rosily and Kersaint, french navy officers, have obtained permission to visit England. Their travel letters and memories show the superiority of the Royal Navy and a real curiosity for the manufacturing technological novelty. In the XVIIIth century, D'oraison, Rosily and Kersaint, French navy officers, obtained permission to visit England. Their travel letters and memories express the idea of superiority of the Royal Navy and reveal a true curiosity for the manufacturing technological novelties they observed.