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

Unpublished paper, 'The quadrature of the circle' by James Ryan

Reference number: AP/16/30

Date: 11 September 1831

Description

Ryan presents his solution for squaring the circle. Includes three figures in the text.

Subject: Geometry / Mathematics

Written by Ryan at 16 Rupert Street, Haymarket [London].

Reference number
AP/16/30
Earliest possible date
11 September 1831
Physical description
Ink on paper
Page extent
8 pages
Format
Manuscript

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

Unpublished paper, 'The quadrature of the circle' by James Ryan, 11 September 1831, AP/16/30, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_16_30/unpublished-paper-the-quadrature-of-the-circle-by-james-ryan, accessed on 14 December 2025

Link to this record

https://makingscience.royalsociety.org/items/ap_16_30/unpublished-paper-the-quadrature-of-the-circle-by-james-ryan

Embed this record

<iframe src="https://makingscience.royalsociety.org/embed/items/ap_16_30/unpublished-paper-the-quadrature-of-the-circle-by-james-ryan" title="Unpublished paper, 'The quadrature of the circle' by James Ryan" allow="fullscreen" frameborder="0" width="100%" height="500px"></iframe>

Hierarchy

This item is part of:

Related Fellows

Explore the collection

  • Archived Papers

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

    Dates: 1768 - 1989

    View collection