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The Royal Society: Science in the Making

Copy letter, from Sir John Herschel to William Henry Sykes, dated at Collingwood

Reference number: HS/17/143

Date: 11 March 1847

Description

Copy of a letter. Notes that actinometer observations prove faulty due to problem with instruments. Asks that William Henry Sykes notify Indian observatories to join others in terminating such observations until John Frederick William Herschel finds method of getting around problem.

Reference number
HS/17/143
Earliest possible date
11 March 1847
Page extent
3 pages
Format
Manuscript
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Creator name

John Frederick William Herschel

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Citation

John Frederick William Herschel, Copy letter, from Sir John Herschel to William Henry Sykes, dated at Collingwood, 11 March 1847, HS/17/143, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_17_143/copy-letter-from-sir-john-herschel-to-william-henry-sykes-dated-at-collingwood, accessed on 11 August 2026

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    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

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