| RefNo | HD/6/1/2/85 |
| Previous numbers | 93HD.5.1.87 |
| Level | Item |
| Title | Copy Dale to Sir Archibald Sinclair, Air Ministry |
| Date | 16 June 1944 |
| Description | Stating the grounds of the Royal Society's support for an appeal against the use of National Trust property at Wicken Fen for smoke bombing practice |
| Extent | 1p |
| Format | Carbon copy |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |