| Ref No | DM1306/11/1/6/folio 117 |
| Title | Letter from Isambard Kingdom Brunel to John Penn |
| Description | The letter asks if Penn has received a recent letter from Brunel about an idea that Brunel thought Penn had for mechanical cleaning of a ship's bottom since Brunel has been considering a similar question. |
| Date | 1 July 1859 |
| Format | Manuscript volume |
| Extent | 1 page |
| Access Conditions | This material is held at the Brunel Institute - please contact the Brunel Institute to arrange access. |