Search Only Images Visit Image Gallery FAQ page Visit Image Gallery FAQ imggal_sm2.png Portrait of Gaspard-François-Clair-Marie Riche, Baron de Prony Download this image Image ID: SIL-SIL14-p006-08 Supplied Caption: Portrait of Gaspard-François-Clair-Marie Riche, Baron de Prony. Lithograph by Julien Leopold Boilly, 1796-1874. Tag(s): Engineering, mathematics, Prony, Gaspard-François-Clair-Marie Riche, Baron de (1755-1839) Collection(s): Scientific Identity Topic(s): Engineering Download: Image No Copyright - United States Request copy of image How can I use this image?