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Chloride of rosaniline in a glass bottle

Chloride of rosaniline in a glass bottle

1858-1863
Molecular models

Molecular models

circa 1875
Hofmann's gas Demonstration Apparatus.

Hofmann's gas Demonstration Apparatus.

1875-1876
Para-rosaniline in a glass bottle

Para-rosaniline in a glass bottle

1858-1863
Trimethyl rosaniline in a glass bottle

Trimethyl rosaniline in a glass bottle

1858-1963
Triphenyl rosaniline in a glass bottle

Triphenyl rosaniline in a glass bottle

1858-1863
Compound of methyl iodide with trimethyl rosaniline in a glass bottle

Compound of methyl iodide with trimethyl rosaniline in a glass bottle

1858-1863
Trimethyl rosaniline in a glass bottle

Trimethyl rosaniline in a glass bottle

1858-1963
Hofmann type apparatus consisting of glass U tube with tap and stand, by Julius Schober, Berlin, 1875-1876. Used to demonstrate that an equal volume of oxygen combines with equal volumes of carbon and sulphur dioxide in compound gases. Part two is the double glass beaker.

Hofmann's gas Demonstration Apparatus.

1875-1876
Hofmann type apparatus consisting of glass U tube with tap and stand, by Julius Schober, Berlin, 1875-1876. Used to demonstrate that an equal volume of oxygen combines with equal volumes of carbon and sulphur dioxide in compound gases. Part 1 is the stand.

Hofmann's gas Demonstration Apparatus.

1875-1876