| Reference number | MDA/A/24/16 |
| Alternative reference number | A4.16 |
| Level | File |
| Title | Correspondence, British Optical Association - O F Brown |
| Date | 1940s |
| Description | Various correspondence with A V Hill, much of it related to scientific activities in war-affected countries. Organised alphabetically within file. |
| Extent | 1 folder |
| Format | Typescript and carbon |
| Access status | Open |