| Reference number | HS/17/420 |
| Level | Item |
| Title | Letter, from [A. J. F.] Yvon Villarceau to Sir John Herschel, dated at Paris |
| Creator | Villarceau; Antoine-Joseph Yvon (1813-1883); French astronomer; mathematician; engineer |
| Date | 16 November 1849 |
| Description | Autograph letter signed by sender. Thanks John Frederick William Herschel for his interest in Yvon Villarceau's work on double stars. Yvon Villarceau sends a copy of a note on double stars published in the Academie des Sciences for consideration by the Royal Astronomical Society Raises a problem of agreement between Newtonian theory and observational data. Yvon Villarceau feels astronomical studies in France are slowing down. |
| Language | French |
| Extent | 2pp |
| Format | Manuscript |
| Place origin | Paris, France |
| Origin coordinates | 48.856667, 2.352222 |
| Digital images | View item on Science in the Making |
| Access status | Open |
| URL description | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel13609
|
Fellows associated with this archive
| Code | Name | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |