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

Reference number: HS/23/349

Date: 22 November 1861

Description

Copy of a letter. Has no suggestions to improve photographs. Wants to determine whether the degradation of light from center to edge of sun is 'real.' Does not think sun's size affects focus.

Reference number: HS/23/349
Earliest possible date: 22 November 1861
Page extent: 1 page
Format: Manuscript
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Creator names

John Frederick William Herschel

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Sir; John Frederick William Herschel

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Citation

John Frederick William Herschel, Sir; John Frederick William Herschel, Copy letter, from Sir John Herschel to William Selwyn, dated at Collingwood, 22 November 1861, HS/23/349, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_23_349/copy-letter-from-sir-john-herschel-to-william-selwyn-dated-at-collingwood, accessed on 07 November 2025

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https://makingscience.royalsociety.org/items/hs_23_349/copy-letter-from-sir-john-herschel-to-william-selwyn-dated-at-collingwood

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Hierarchy

This item is part of:

Correspondence of Sir John Frederick William Herschel
1812-1870 Creator: John Frederick William Herschel , Sir; John Frederick William Herschel Reference number: HS
Correspondence of John Frederick William Herschel: volume 23 Copies of outgoing letters
1873-1875 Reference number: HS/23

Related Fellows

John Frederick William Herschel
Creator
William Selwyn
Recipient

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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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