| Date | 1833 |
| Author | Cary |
| Contribution | Made microscope intermediate between simple and compound types. |
| Reference | Ford |
| Notes | The date is approximate. At about this time, Cary made microscopes similar to the "Ellis Aquatic" type (see 1820) but with a compound body tube in place of the single lens at the end of the horizontal bar. Ford considers this an intermediate link between the simple and compound types. |
| Category | Microscopy |
| Pathogen Class | General |
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