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The Royal Society: Science in the Making

Letter, from William Selwyn to Sir John Herschel, dated at Foxton Royston

Reference number: HS/15/468

Date: 11 January 1862

Description

Autograph letter signed by sender. Discusses a depression on a heliograph, which he cannot reconcile with [Frederick] Howlett's observations. Conjectures over-exposure in printing may be the culprit.

Reference number
HS/15/468
Earliest possible date
11 January 1862
Page extent
4 pages
Format
Manuscript
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Creator names

William Selwyn

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William Selwyn

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Citation

William Selwyn, William Selwyn, Letter, from William Selwyn to Sir John Herschel, dated at Foxton Royston, 11 January 1862, HS/15/468, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_15_468/letter-from-william-selwyn-to-sir-john-herschel-dated-at-foxton-royston, accessed on 07 November 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

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