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Letter, from John Welsh to Sir John Herschel, dated at Kew Observatory, Richmond

Reference number: HS/18/140

Date: 13 April 1857

Description

Autograph letter signed by sender. Reliability of barometer and thermometer measurements from balloons. Compares results of several European observers. Suggests new expedition to Teneriffe [Canary Islands].

Reference number
HS/18/140
Earliest possible date
13 April 1857
Page extent
4 pages
Format
Manuscript

Creator name

John Welsh

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Citation

John Welsh, Letter, from John Welsh to Sir John Herschel, dated at Kew Observatory, Richmond, 13 April 1857, HS/18/140, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_18_140/letter-from-john-welsh-to-sir-john-herschel-dated-at-kew-observatory-richmond, accessed on 22 July 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