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Hofmann's apparatus, 1860s.

Hofmann's apparatus, 1860s.
4 0 c m
actual image size: 21cm x 32cm


Used to demonstrate that the volumes of oxygen that enter into the composition of carbon and sulphur dioxide are equal to the respective volumes of these compound gases, this is a U tube with a deflagrating spoon on a stand. August Wilhelm von Hofmann (1818-1892) was one of the major organic chemists and most influential teachers of the nineteenth century.

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