Colorants spéciaux pour alimentation
A 1930 trade catalogue issued by the Compagnie française de produits chimiques et matières colorantes at Saint-Clair-du-Rhône, Isère, presenting special colorants for food use, aimed at food manufacturers and buyers. Its plates show framed rectangular swatches of colour in reds, maroons, black, orange and greens, useful to a designer seeking historical colour references for packaging or print palettes.
