| Ref No | DM1306/11/1/5/folio 20 |
| Title | Unsigned note from Brown Lenox & Co to Isambard Kingdom Brunel |
| Description | Written from London. The letter presents Brown Lenox & Co's compliments and informs Brunel that the cylinder of the testing machine has been satisfactorily proved but the testing machine itself has not yet been proved. |
| Date | 15 July 1857 |
| Format | Manuscript volume |
| Extent | 1 page |
| Access Conditions | This material is held at the Brunel Institute - please contact the Brunel Institute to arrange access. |