Items used by Louis Pasteur, 19th Century.

Items used by Louis Pasteur, 19th Century. Items used by Louis Pasteur, 19th Century. Items used by Louis Pasteur, 19th Century. Items used by Louis Pasteur, 19th Century. Items used by Louis Pasteur, 19th Century. Items used by Louis Pasteur, 19th Century.

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© The Board of Trustees of the Science Museum, London.

Science Museum Group Collections
© The Board of Trustees of the Science Museum, London

Science Museum Group Collections
© The Board of Trustees of the Science Museum, London

Science Museum Group Collections
© The Board of Trustees of the Science Museum, London

Science Museum Group Collections
© The Board of Trustees of the Science Museum, London

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Compound monocular microscope, by Nachet and Son, in case, 1861-1870, supposedly belonged to Pasteur

Compound monocular microscope, by Nachet et Fils, in case, 1861-1870, supposedly belonged to Pasteur

Parts

Louis Pasteur’s Compound Microscope

Compound monocular microscope used by Louis Pasteur

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Louis Pasteur (1822-1895), the French chemist and microbiologist, used microscopes like this compound microscope during his experiments on spontaneous generation. By 1864, Pasteur disproved this theory by experimenting with fermentation. He placed yeast water in a swan-necked flask that only allowed air to enter. The water remained clear. Only when the flask was open to dust and micro-organisms did fermentation occur. The microscope was made by Nachet et fils.

Measurements:
overall: 276 mm x 87 mm x 122 mm, 2.03kg
Materials:
brass (copper, zinc alloy) , glass , cast iron and enamel
Object Number:
A55114 Pt1
type:
compound microscope
Image ©
The Board of Trustees of the Science Museum, London.
Case for Louis Pasteur's Compound Microscope

Case for Louis Pasteur's Compound Microscope

Wooden case for compound monocular microscope, by Nachet and Son, rue Serpente 17, Paris, France, 1861-1870.

Measurements:
overall: 115 mm x 165 mm x 288 mm,
Materials:
mahogany (wood) and velvet
Object Number:
A55114 Pt2
type:
case - container
Image ©
The Board of Trustees of the Science Museum