| RefNo | HS/18/246 |
| Level | Item |
| Title | Letter, from Alexander Wight, Jr. to Sir John Herschel, dated at 6 Clarenden Terrace, Notting Hill |
| Creator | Wight; Alexander Jr. (fl.1856-?) |
| Date | 3 April 1856 |
| Description | Autograph letter signed by sender, with annotation by Sir John Herschel. Sends small lens. Its components neither parallel nor concentric; contains water. Suggests new polishing method. Estimates 4-foot lens would cost £7-£8. [John Frederick William Herschel Note: Tested and returned lens. Noted advantages and deficiencies and suggests improvements. Listed others who built similar lenses.] |
| Language | English |
| Extent | 3pp, 1p |
| Format | Manuscript |
| Place origin | 6 Clarenden Terrace, Notting Hill |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel7979
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |