| Date | 1888 |
| Author | Abbe |
| Contribution | Introduced superior achromatic condenser. |
| Reference | Bradbury |
| Notes | Much used by early bacteriologists, and became the standard system on the Continent. See 1850. |
| Category | Microscopy |
| Pathogen Class | General |
Copyright © 2007- William C. Campbell. All rights reserved.