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U-shaped tube of Pasteur's 'Vibrio Septique', c 1860s

U-shaped tube of Pasteur's 'Vibrio Septique', c 1860s
3 2 c m
actual image size: 32cm x 24cm


Replica made at the Pasteur Institute in Paris in the 1920s. The original tube was used by the French chemist, Louis Pasteur (1822-1895), in his experiments to show that germs are the cause of disease and decay. In order to prove that germs are present in air and will grow in a sterile nutrient medium, Pasteur boiled broth in glas flasks and sealed the ends to prevent air from entering. The broth stayed unspoilt until the flasks were opened, proving Pasteur's theories. Pasteur developed the pasteurisation proces which kills pathogens in milk, wine and foods, and produced vaccines against anthrax and rabies.

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© Science Museum / Science & Society Picture Library

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