| Date | 1887 |
| Author | Petri |
| Contribution | Described a dish particularly suited to Koch's new method of plating bacteria on solid media. |
| Reference | Norman |
| Notes | It became, and remains, the standard dish for this purpose. Until this time, medium was allowed to solidify on glass plates, and these were stored under bell jars to prevent contamination. Similar dishes were described by Cornil and Babes 1885, and Nicat and Rietsch 1885, but the dish described by Koch's assistant Petri overshadowed all others. |
| Category | Miscellany |
| Pathogen Class | General |
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