Acid Chrome Yellow G L,, powder in glass bottle with leather mob cap,, by The Bayer Company Limited, Northern Ireland, United Kingdom. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s. Acid Chrome Yellow G L, by The Bayer Company Limited
Chrome Oxane Violet R,, powder in glass bottle,, by Bayer and Company, Elberfeld, Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s. Chrome Oxane Violet R, by Bayer and Company
Unknown Dark Brown dye, (no label),, powder in glass bottle,, by Bayer and Company, Elberfeld, Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s. Unknown Dark Brown dye, (no label), by Bayer and Company
Diazo Fast Red 7 B L,, powder in glass bottle,, by Bayer and Company, Elberfeld, Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s. Diazo Fast Red 7 B L, by Bayer and Company
Gallo Cyanine,, powder in glass bottle,, by The Bayer Company Limited, Northern Ireland, United Kingdom. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s. Gallo Cyanine, by The Bayer Company Limited
Eosin BBN,, powder in glass bottle,, by Badische Anilin- und Sodafabrik, Ludwigshafen, Germany. One of a collection of colour dyes in bottles from the Colour Museum in Bradford, West Yorkshire, c.1860s to 1950s. Eosin BBN, by Badische Anilin- und Sodafabrik