Skip to content

Please be aware that some material may contain words, descriptions or illustrations which will not reflect current scientific understanding and may be considered in today's context inaccurate, unethical, offensive or distressing.

The Royal Society: Science in the Making

Letter, from Augustus De Morgan to Sir John Herschel, dated at 41 Chalcot Villas NW

Reference number: HS/6/346

Date: 1 July 1861

Description

Autograph letter signed by sender. Has not heard from him for a long time. Did he receive his red and black logarithms? John Frederick William Herschel's son Alexander has sent him a mathematical problem. George Bishop has died and the observatory and instruments are to be sold. Sends two riddles. Sees that John Frederick William Herschel has proved that the sun is liquid fire.

Reference number
HS/6/346
Earliest possible date
1 July 1861
Page extent
4 pages
Format
Manuscript
Also available on Epsilon
View Also available on Epsilon (external link, opens in new tab)

Creator name

Augustus de Morgan

View page for Augustus de Morgan

Use this record

IIIF manifest

View​ IIIF ​ manifest Opens in new tab

Open in Mirador viewer Opens in new tab

Export this record

Download PDF Opens in new tab

Citation

Augustus de Morgan, Letter, from Augustus De Morgan to Sir John Herschel, dated at 41 Chalcot Villas NW, 1 July 1861, HS/6/346, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_6_346/letter-from-augustus-de-morgan-to-sir-john-herschel-dated-at-41-chalcot-villas-nw, accessed on 11 November 2025

Link to this record

https://makingscience.royalsociety.org/items/hs_6_346/letter-from-augustus-de-morgan-to-sir-john-herschel-dated-at-41-chalcot-villas-nw

Embed this record

<iframe src="https://makingscience.royalsociety.org/embed/items/hs_6_346/letter-from-augustus-de-morgan-to-sir-john-herschel-dated-at-41-chalcot-villas-nw" title="Letter, from Augustus De Morgan to Sir John Herschel, dated at 41 Chalcot Villas NW" allow="fullscreen" frameborder="0" width="100%" height="500px"></iframe>

Hierarchy

This item is part of:

Related Fellows

Map

Explore the collection

  • 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