| Ref No | LDGSL/6 |
| Title | 'Extract of a letter...on the subterranean sounds heard at Nakoos, Egypt' |
| Date | 1831 |
| Level | Series |
| Extent | 3 items |
| Format | Photograph/drawing/painting/print |
| Description | 'Extract of a letter from the Rev George Grey on the subterranean sounds heard at Nakoos, Egypt', 12 March 1831. Manuscript text by John Frederick William Herschel. Includes watercolour illustration showing Nakoos near Tor. |
| Access Conditions | Access is by appointment only. Please contact the Archivist for further information. |
| Language | English |
| Publication Note | Read before the Society, 27 April 1831, cited in: Herschel, JFW. "On the cause of the subterranean sounds heard at Nakoos, near Tor in Arabia", 'Proceedings of the Geological Society', vol 1, (1831), p388. |
| ArchNote | Description by Caroline Lam |
| CreatorName | HERSCHEL | Sir | John Frederick William | first baronet | 1792-1871 | mathematician and astronomer |
| Previous reference | LDGSL 6 |