Inside Out LibraryGrundlegende Operationen der Farbenchemie (1920)Fierz-David, Hans Eduard, 1882- · Zürich Schulthess · leaf 159Dyes and dyeingInternet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.More pictures from Grundlegende Operationen der FarbenchemieMore like this