| RefNo | HS/7/309 |
| Level | Item |
| Title | Copy letter, from James David Forbes to Sir John Herschel, dated at Edinburgh |
| Creator | James David Forbes |
| Recipient | John Frederick William Herschel |
| Date | 4 March 1847 |
| Description | Copy letter in John Herschel's hand. Includes diagram. Sympathizes with John Frederick William Herschel's feelings of regret over actinometer readings. Has procured a new thermometer and carried out experiments toward correction of actinometers. |
| Language | English |
| Extent | 3pp |
| Format | Manuscript |
| Place origin | Edinburgh |
| Origin coordinates | 55.953333, -3.189167 |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | Original available: St. Andrews LB IV, 214-16 |
| URLDescription | Also available on Epsilon |
| URL | https://epsilon.ac.uk/view/herschel/letters/Herschel3422
|
Fellows associated with this archive
| Code | PersonName | Dates |
| NA6280 | Forbes; James David (1809 - 1868); natural philosopher | 1809 - 1868 |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); mathematician and astronomer | 1792 - 1871 |