| RefNo | HS/10/138 | 
| Level | Item | 
| Title | Draft letter, from Sir John Herschel to Thomas John Hussey, dated at London | 
| Creator | Herschel; Sir; John Frederick William (1792 - 1871); astronomer and mathematician | 
| Recipient | Hussey; Thomas John (1792-c. 1866); clergyman; astronomer | 
| Date | 11 October 1827 | 
| Description | Draft in John Herschel's hand. Has been able to destroy a large portion of the color of brown sugar by the use of chlorine. If these hints are of use to Thomas John Hussey's friend, Thomas John Hussey may convey them. | 
| Language | English | 
| Extent | 3pp | 
| Format | Manuscript | 
| Place origin | London | 
| Origin coordinates | 51.507222, -0.1275 | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| RelatedMaterial | Original available: Univ.Coll.London MS Graves 231; copy: HS/20/264 | 
| RelatedRecord | HS/20/264 | 
| URLDescription | Also available on Epsilon | 
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel9017 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |