| RefNo | HS/18/351 |
| 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 | 1820 or 1825-2-18 |
| Description | Autograph letter signed by sender. Gives diagram and explanation of Thomas Young's reduced parallax. John Frederick William Herschel's formula is elaborate but complicated. Thomas Young's formula is less exact but easier for public to use. Welcomes criticism. |
| Language | English |
| Extent | 2pp |
| 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/Herschel8085
|
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 |