- FondsYapp - Papers and photographs of R. H. (Harry) Yapp
- Series3 - Photographic collections
- Subseries1 - Glass plate negatives
- FileF - Fens
- 51 more...
- ItemF58 - [Unlabelled]
- ItemF60 - [Unlabelled]
- ItemF61 - [Unlabelled]
- ItemF62 - [Unlabelled]
- ItemF64 - [Unlabelled]
- ItemF76 - Section through evaporimeter
- ItemF78 - Evaporimeter (1)
- ItemF79 - Evaporimeter
- ItemF79A - Small evaporimeter
- 31 more...