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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.

Reference number
HS/7/309
Earliest possible date
4 March 1847
Page extent
3 pages
Format
Manuscript

Creator name

James David Forbes

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Citation

James David Forbes, Copy letter, from James David Forbes to Sir John Herschel, dated at Edinburgh, 4 March 1847, HS/7/309, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_7_309/copy-letter-from-james-david-forbes-to-sir-john-herschel-dated-at-edinburgh, accessed on 25 March 2025

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  • Herschel Letters

    This collection of nearly 10,900 letters, drafts, copies and notes is the largest repository of scientific correspondence from and to Sir John Herschel, leading figure of Victorian science.

    Dates: 1807 - 1875

    View collection