Pathent Methylene Blue B dye sample
- Made:
- 1920 circa
Patent Methylen blue B sample in glass jar with metal lid.
Natural dyes from research carried out by Leeds University Colour Chemistry department, c.1920s.
Details
- Category:
- Industrial Chemistry
- Object Number:
- Y1970.90.9
- type:
- dye sample
- credit:
- Gift of Leeds University
