Diazo Blue 3R by Bayer and Company

Diazo Blue 3R, powder in a 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.

Details

Category:
Industrial Chemistry
Object Number:
1986-1045/1449
Materials:
dye and glass
Measurements:
overall: 140 mm 50 mm,
type:
dye
credit:
Colour Museum