A 1929 specimen from The Melliand on Azol Printing Colours, a new series of chrome mordant dyestuffs from I. G. for printing cotton, especially upholstery goods and hangings. It covers the fastness properties, the available shades, a print-paste recipe with acid starch-tragacanth thickening and acetate of chrome, and steaming, padding and discharge methods. Sample swatch pages give the dye recipes used. The scan also includes a page of swatches from a following article, The Indigosols in Textile Printing by Kerth and Pfeffer.