Inside Out Library · ExploreDie Wollfarbstoffe des Jahres 1913 = b Wool colours 1913 (1913)Bayer Company, Inc · New York : Bayer Company · leaf 29Alizarinuraiiol 2 B Alizarine Uranol 2 B.Dyes and dyeingInternet Archive · Public Domain Mark 1.0. Free to use for anything.More pictures from Die Wollfarbstoffe des Jahres 1913 = b Wool colours 1913More like this
