| Ref No | DM1306/11/1/2/folio 120-121 |
| Title | Letter from John Scott Russell to Isambard Kingdom Brunel |
| Description | Written from 37 Great George Street, Westminster, London. The letter sends Brunel a return of good and bad bearings and comments that 500 lbs per inch is too much pressure for a crank pin but that 300 lbs per inch is not. |
| Date | 1 June 1855 |
| Format | Manuscript volume |
| Extent | 2 pages |
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| Access Conditions | This material is held at the Brunel Institute - please contact the Brunel Institute to arrange access. |