| RefNo | RHB/2/1/4/1 |
| Previous numbers | B.5 |
| Level | Item |
| Title | 'Submarine Trials', R H Brown |
| Date | 1939 |
| Description | Containing notes and drawings including a draft report on the first test of airborne radar on submarines at Gosport, 2-9 December 1939.
At this time Hanbury Brown was working at Northolt. |
| Extent | 1 folder. |
| PhysicalDescription | Exercise book with loose sheets intercolated. |
| AccessStatus | Open |