Dianil Fast Blue GL by Lucius & Bruning & Hoechst, Hochst...
Dianil Fast Blue GL by Lucius & Bruning & Hoechst, Hochst a.
Dianil Fast Blue GL by Lucius & Bruning & Hoechst, Hochst a./Main in Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900.