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‘bacteria’ historical pictures (exact matches)
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Monkey examining food through a microscope
Les microbes conversent. Illustration for Le Pele-Mele, 1906.
Alexander Fleming and the discovery of penicillin
Bacteria
A doctor visiting a patient with a variety of microbes to improve the patient's health
Bacteria from paper by Ferdinand Cohn
Tuberculin syringe, England, 1901–1940
A common cold germ asking the father of a neurasthenia bacillus if he can marry her