| RefNo | HS/17/415 |
| Level | Item |
| Title | Letter, from B. W. S. Vallack to Sir John Herschel, dated at St. Budeaux, near Plymouth |
| Creator | Vallack; Benjamin William Salmon (1803-1875); vicar of St Andrew's Plymouth |
| Date | 18 November 1865 |
| Description | Autograph letter signed by sender, with diagrams. Comments on George Witt's work on silvering glass mirrors and on John Frederick William Herschel's Telescope. States problems with his Newtonian telescope. Works on designs for a binocular telescope. |
| Language | English |
| Extent | 15pp |
| Format | Manuscript |
| Place origin | St. Budeaux, near Plymouth |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel4043
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |