Dyed cotton yarn samples,using aluminium,iron and chrome mordants. A mordant is a reagent which fixes the colour dye to the fibre. These samples are from 1902 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / New York Public Library / Science, Industry & Business Library / General Collection |
Taille de l’image : | 2423 px × 3659 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |