Oscarre Giudici - Tessuti di lana e di cotone / Pulitura lavatura smacchiatura industriale / Manuale del conciatore - 1924-1940

Two interesting Hoepli manuals on textiles and leather tanning.
Wool and cotton fabrics, analysis and manufacturing. A practical, rational, and comprehensive manual for calculations, layouts, and design of fabrics in combed wool, carded wool, and cotton, second edition from 1925, richly illustrated with 1024 color engravings, Oscarre Giudici. In excellent condition as shown in the photos.
2) Leonida Valerio, 'Industrial and domestic cleaning, washing, and stain removal of all common materials, first and only edition of 1940, 302 pages in excellent condition.'
Dr. Augusto Gansser, 'Tanner's Manual,' second edition, 'completely revised with 32 engravings and 2 color plates,' 488 pages in good condition as shown in the photo.
All the manuals come from the prestigious private library, now defunct, Lupica Perret of Palermo.