| Ref No | WP/1/8/120 |
| Alt Ref No | WP1/8/120 |
| Title | R Threlfall to Alfred Russel Wallace, from Edgbaston, Birmingham |
| Description | Letter re light and the blue colour of sea water, work by Tyndall and Aitken, experiments with distilled water, scattering of light by fine particles. |
| Date | 21 Mar 1899 |
| AccessStatus | Open |
| Held By | NHM General Library |
| Extent | 1 |
| Level | Item |
Show related Persons records.
Persons
| Code | PersonName | Dates |
| PX5673 | Tyndall; John (1820-1893); Professor | 1820-1893 |
| PX5749 | Aitken; John (1839-1919); Meteorologist | 1839-1919 |
| PX7441 | Threlfall; Richard (1861-1932); Physicist and chemical engineer | 1861-1932 |