| Reference number | HS/22/87 |
| Level | Item |
| Title | Copy letter, from Sir John Herschel to Robert Hunt, dated at Collingwood |
| Creator | John Frederick William Herschel |
| Recipient | Robert Hunt |
| Date | 21 May 1841 |
| Description | Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Thanks Robert Hunt for his 'extensive and instructive view on the present state of photography.' Found many interesting results in experimenting with vegetable substances. Surprised by Robert Hunt's discovery that bi-chromate of potash is a photographic substance; John Frederick William Herschel nearly achieved this result. |
| Language | English |
| Extent | 4pp |
| Format | Manuscript |
| Place origin | Collingwood, Hawkhurst, Kent |
| Origin coordinates | 51.035306, 0.513556 |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | Original available: George Eastman House, 7.17 |
| URL description | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel3807
|
Fellows associated with this archive
| Code | Name | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |
| NA3789 | Hunt; Robert (1807 - 1887); mineralogist | 1807 - 1887 |