Alizarin Cyanine G. F. Bayer & Co. Elberfeld, Manufactured...
Alizarin Cyanine G. F. Bayer & Co. Elberfeld, Manufactured i
Alizarin Cyanine G. F. Bayer & Co. Elberfeld, Manufactured in Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900.