Brilliant Yellow by A. Leonhardt & Co., Farbwerk Muhlheim,...
Brilliant Yellow by A. Leonhardt & Co., Farbwerk Muhlheim, M
Brilliant Yellow by A. Leonhardt & Co., Farbwerk Muhlheim, Muhlheim a/Main in Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1900.