Textile fabrics and their preparation for dyeing : with numerous engravings and diagrams
A 1906 Philadelphia handbook on textile fibres and their preparation for dyeing, written by J. J. Hummel and edited by Paul N. Hasluck and A. R. Foster for dyers and mill workers. The images indexed here are close-up colour photographs of mineral specimens — red bladed crystals, blue crusted rock, yellow calcite on grey matrix — useful as saturated colour fields, crystal facets, and rough stone texture.

















