| RefNo | HS/18/333 | 
| Level | Item | 
| Title | Letter, from Thomas Young to Sir John Herschel, dated at 48 Welbeck St. | 
| Creator | Thomas Young | 
| Recipient | John Frederick William Herschel | 
| Date | 5 November 1825 | 
| Description | Autograph letter signed by sender. Ask Charles Babbage to send tables of logarithms to Thomas Young, who will compare them to [Brook] Taylor's. Bets that five errors will be found. Did John Frederick William Herschel order mountain barometer from [J. F.] Newman? Will inquire about [W. E.] Parry's instruments. Admiralty, not us, should order sextants. | 
| Language | English | 
| Extent | 3pp | 
| Format | Manuscript | 
| Place origin | 48 Welbeck Street, London | 
| Origin coordinates | 51.51754, -0.14938 | 
| Digital images | View item on Science in the Making | 
| AccessStatus | Open | 
| URLDescription | Also available on Epsilon | 
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel8066 | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA7947 | Young; Thomas (1773 - 1829); physician, physicist and Egyptologist | 1773 - 1829 | 
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |