Revue générale des mati`eres colorantes et des industries qui s'y rattachent . N 28. — Violet sulfone solide L. R. (3 p. lOO).{Sandoz).. X :!0. — Bleu diazo indigo (i p. loO;{»(!/<•?).

---

Size: 2230px × 1121px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookpu, booksubjectdyesanddyeing