| Reference number | HS/17/423 |
| 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 | 17 November 1864 |
| Description | Autograph letter signed by sender. Thanks for John Frederick William Herschel's 'Catalogue of Nebulae.' Comments on the problems of accuracy in Yvon Villarceau's meridian instrument due to fluctuating temperatures and other problems. Also refers to geodetic and trigonometric considerations. |
| Language | French |
| Extent | 4pp |
| 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/Herschel13612
|
Fellows associated with this archive
| Code | Name | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |