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The Royal Society: Science in the Making

Copy letter, from James David Forbes to Sir John Herschel, dated at Edinburgh

Reference number: HS/7/309

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.

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

James David Forbes

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James David Forbes

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Citation

James David Forbes, 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 10 March 2026

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https://makingscience.royalsociety.org/items/hs_7_309/copy-letter-from-james-david-forbes-to-sir-john-herschel-dated-at-edinburgh

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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