| RefNo | AP/13/20 |
| Level | File |
| Title | Unpublished paper and letter, 'Observations on the plan proposed by Mr Parrot of St Petersbourg [Petersburg] for mending the hole over the tunnel, securing the works against future irruption [upsurges] and in case of any irruption [upsurge], for saving the men' by Mc I [Marc Isambard] Brunel |
| Date | 16 June 1828 |
| Description | Brunel summarises the work of Georg Friedrich Parrot relative to a method for repairing a hole present in the earth above a tunnel, caused by an upsurge of a river. He also explains how further upsurges would be prevented and how workers would be saved should another accident occur. Preceded by a covering letter from Brunel to William Hyde Wollaston.
An ink inscription on covering slip reads 'from Dr Wollaston's Papers'.
Subject: Engineering |
| Language | French |
| Extent | 9p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | AP/13/20/1 |
| AP/13/20/2 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA7956 | Brunel; Sir; Marc Isambard (1769 - 1849); civil engineer | 1769 - 1849 |
| NA8298 | Wollaston; William Hyde (1766 - 1828); chemist, physicist and physiologist | 1766 - 1828 |