| RefNo | HS/17/293a |
| Level | Item |
| Title | Draft letter, from Sir John Herschel to William Henry Fox Talbot, dated at Slough |
| Creator | John Frederick William Herschel |
| Date | 27 April 1839 |
| Description | Draft in John Herschel's hand. John Frederick William Herschel reports his discovery of a highly sensitive paper. Tint continues to deepen with time, as bromine does not. Not prepared to reveal process at present. Is off to Paris. |
| Language | English |
| Extent | 3pp |
| Format | Manuscript |
| Place origin | Slough, Berkshire |
| Origin coordinates | 51.5082, -0.5954 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Original available: Science Museum Talbt 1/17; copy: HS/22/12 |
| RelatedRecord | HS/22/12 |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel8820
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |
| NA5837 | Talbot; William Henry Fox (1800 - 1877) | 1800 - 1877 |