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Letter, from G. Wharton Simpson to Sir John Herschel, dated at Canonbury

Reference number: HS/17/211

Date: 14 May 1866

Description

Autograph letter signed by sender. Thanks John Frederick William Herschel for helping to clarify origins of Louis Daguerre's use of hyposulfite of soda for fixing photographs. Provides further information on photography, particular solar microscope photography.

Reference number
HS/17/211
Earliest possible date
14 May 1866
Page extent
4 pages
Format
Manuscript

Creator name

George Wharton Simpson

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Citation

George Wharton Simpson, Letter, from G. Wharton Simpson to Sir John Herschel, dated at Canonbury, 14 May 1866, HS/17/211, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_17_211/letter-from-g-wharton-simpson-to-sir-john-herschel-dated-at-canonbury, accessed on 16 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

    View collection