| Date | 1835 |
| Author | Oberhauser |
| Contribution | Developed an improved drum microscope. |
| Reference | Bradbury |
| Notes | Based on 18th Century precursors, thereby contributing to the popularity of this general style on the Continent -- as distinct from the British style [bar limb, etc.]. Similar scopes were developed by Nachet and others, and the high quality and relatively low cost of these achromatic scopes made them popular on the Continent and even in Britain. (Drum later replaced by horse-shoe.) |
| Category | Microscopy |
| Pathogen Class | General |
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