| RefNo | HS/10/90 | 
| Level | Item | 
| Title | Letter, from Robert Hunt to Sir John Herschel, dated at Falmouth | 
| Creator | Hunt; Robert (1807-1887); mineralogist | 
| Recipient | John Frederick William Herschel | 
| Date | 5 June 1841 | 
| Description | Autograph letter signed by sender. Returns with grateful thanks the example of photographs recently sent him. They open up a new field of curious processes. Will not have much time this summer for photographic experiments as he is carrying out a series of investigations into the air of mines. Has been experimenting with the cyanurets. | 
| Language | English | 
| Extent | 3pp | 
| Format | Manuscript | 
| Place origin | Falmouth | 
| Origin coordinates | 50.15, -5.07 | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| URLDescription | Also available on Epsilon | 
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel10738 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA3789 | Hunt; Robert (1807 - 1887); mineralogist | 1807 - 1887 | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |