RefNo | HS/22/122 |
Level | Item |
Title | Copy letter, from Sir John Herschel to James David Forbes, dated at Collingwood |
Creator | John Frederick William Herschel |
Date | 2 June 1842 |
Description | Copy of letter, copied as part of the correspondence project led by Colonel John Herschel FRS following the death of his father. Compares actinometric measurements of radiation. Explains interest in total eclipse relative to actinometry. Discusses the possibility of making actinometric measurements by photographic means. |
Language | English |
Extent | 3pp |
Format | Manuscript |
Place origin | Collingwood, Hawkhurst, Kent |
Origin coordinates | 51.035306, 0.513556 |
AccessStatus | Open |
RelatedMaterial | Original available: St. Andrews 55 |
URLDescription | Also available on Epsilon |
URL | https://epsilon.ac.uk/view/herschel/letters/Herschel3243
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Fellows associated with this archive
Code | PersonName | Dates |
NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |
NA6280 | Forbes; James David (1809 - 1868); natural philosopher | 1809 - 1868 |