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Microscope used by Louis Pasteur in his investigations on silkworm diseases, Paris, France, 1860-1870

Louis Pasteur (1822-1895), the French chemist and microbiologist, used this compound microscope to study the diseases of silkworms between 1868-1869. The microscope has its own mahogany case which contains two objec-tive lenses and two eyepieces. It is shown with a string of silkworm cocoons (A63336). Pasteur donated this microscope to the family with which he stayed while he was doing this work and Henry Wellcome’s museum purchased it from them in 1926.

Object number:

A60510

 

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Glossary:

Glossary: monocular microscope

Microscope with a single viewing eyepiece, as distinct from binocular or stereomicroscopes. It should be noted that monocular microscopes can be fitted with a binocular eyepiece to give pseudo-stereo views

Glossary: microscopy

The use of microscopes to study objects or samples. The three major types of microscopy are optical, electron and scanning probe microscopy.

Glossary: compound microscope

Microscope with multiple optical elements (lenses/mirrors). It has two microscopes in series, the first serving as the ocular lens (close to the eye) and the second serving as the objective lens (close to the object to be viewed).

Glossary: objective

The lens in a microscope that is nearest to the object being examined.