Chloride of rosaniline in a glass bottle
1858-1863
Hofmann's gas Demonstration Apparatus.
1875-1876
Molecular models
circa 1875
Para-rosaniline in a glass bottle
1858-1863
Trimethyl rosaniline in a glass bottle
1858-1963
Triphenyl rosaniline in a glass bottle
1858-1863
Compound of methyl iodide with trimethyl rosaniline in a glass bottle
1858-1863
Trimethyl rosaniline in a glass bottle
1858-1963
Cylindrical glass display bottle of Hofmann's Violet
1863-1926