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The Royal Society: Science in the Making

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

Reference number: HS/17/155

Date: 24 October 1861

Description

Autograph letter signed by sender. Stresses importance for Balloon Committee of obtaining corresponding temperatures and pressures; describes two highly sensitive thermometers that might be built for this purpose.

Reference number
HS/17/155
Earliest possible date
24 October 1861
Page extent
4 pages
Format
Manuscript
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Creator name

John Frederick William Herschel

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Citation

John Frederick William Herschel, Letter, from Sir John Herschel to William Henry Sykes, dated at Collingwood, 24 October 1861, HS/17/155, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_17_155/letter-from-sir-john-herschel-to-william-henry-sykes-dated-at-collingwood, accessed on 11 August 2026

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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