| RefNo | HD/6/8/3/1/15 |
| Previous numbers | 93hD.7.11.15 |
| Level | Item |
| Title | Copy secretary to Dale to W F Higgins |
| Date | 28 July 1943 |
| Description | Acknowledging receipt of Dale's new pass to the Laboratory grounds and returning the old pass |
| Extent | 1p |
| Format | Carbon copy |
| AccessStatus | Open |
| AccessConditions | OPEN - but with some restrictions |