Auramine O dye sample
1920 circa
Natural and early aniline dyes from research carried out by Leeds University Colour Chemistry department
Natural and early aniline dyes from research carried out by Leeds University Colour Chemistry department, c.1920s.
Safranine E dye sample
1920 circa
New Victoria Green Extra dye sample
1920 circa
Benzopurpurine 1B dye sample
1920 circa
Benzo Fast Red dye sample
1920 circa
Quinoline yellow dye sample
1920 circa
Pathent Methylene Blue B dye sample
1920 circa
Magenta dye sample
1920 circa
Fluoresceine dye sample
1920 circa
Brill Congo Red R dye sample
1920 circa
Victoria Blue 4R dye sample
1920 circa
Flavine A110 dye sample
1920 circa
dye sample.
Logwood extract dye sample
1920 circa
Haematein dye sample
1920 circa
Haematoxylin dye sample
1920 circa
Crop madder dye sample
1920 circa
Pistacia khinjuk dye sample
1920 circa
Crop madder dye sample
1920 circa
Saffron dye sample
1920 circa
dye sample.
Young Fustic Dye Sample
Peachwood dye sample
1920 circa
Bark Dye Sample
