Le Lyon de nos pères, Vingtrinier et Drevet, 1901, page 007, gravure Rougeron-Vignerot-Demoulin, ancienne vitriolerie de Gerland

Book le lyon de nos pères, emmanuel vingtrinier and joannès drevet, 1901, page 7 (rougeron-vignerot-demoulin engraving): old vitriole factory, established in 1803, behind the site of the old tour de béchevelin and to the east of the path of that name. She gave her name to the district known as vitriolerie. Municipal library of lyon.