<b>1852 - 1853 Liège</b> Edgar Honoré Marie de Lannoy - Clervaux, ° 16.8.1835; + 18.6.1912. Patent of 24.12.1852 for "modifications to the instrument known as the stereoscope; the charming instrument has the marvellous effect of transforming photographic [prints] into real sculpture" [improvement of the Duboscq stereoscope]. Patent relating to improvements of 13.1.1853 for "modifications applied to the instrument known as the stereoscope".