Samples of commercial dyes by Farbenfabriken Bayer AG

Cochineal red dye sample

Benzoazurine G dye sample

Nitrosodimethyl Aniline dye sample

Orange IIB dye sample

Soluble Blue Green Shade dye sample

Benzo Purpurine 4B dye sample

Diamine fast yellow dye sample

Dye Sample; Anthracene Chrome Red

circa 1890

Dye Sample

circa 1890

Anthracene dye sample

Dye Sample

circa 1890

Dye Sample

circa 1890

Dye Sample; Immedial Indone

circa 1890

Dye Sample; Diamine Red

circa 1890

Dye Sample; Rosacerine B

circa 1890

Dye Sample

circa 1890

Dye Sample

circa 1890

Dye Sample; Beta Naphtol

circa 1890

Dye Sample

circa 1890

Naphtylamine Black dye sample

Dye Sample

circa 1890

Dye Sample

circa 1890

Dye Sample

circa 1890

Dye Sample

circa 1890

Dye Sample; Thioflavine

circa 1890