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Unpublished paper, 'On the pressures which sustain a heavy body in equilibrium when the points of support are more than three' by Charles Bonnycastle

Reference number: AP/9/4

Date: 26 October 1818

Description

Bonnycastle discusses the problem of pressures that elevate a heavy body with more than three points of support, describing the importance of this knowledge in estimating the strength of bridges and building materials. Includes one page of figures.

Subject: Physics / Engineering

Written by Bonnycastle in Woolwich Common [London]. Communicated by Sir Jos [Joseph] Banks. Read to the Royal Society on 11 March 1819.

Whilst this paper was not abstracted in the Proceedings of the Royal Society, a mention of its reading at a meeting of the Society was published in the Annals of Philosophy: 'Article III. Proceedings of Philosophical Societies'. Annals of Philosophy, vol 13, no 76, 1819, p. 307.

Reference number
AP/9/4
Earliest possible date
26 October 1818
Physical description
Ink on paper
Page extent
25 pages
Format
Manuscript

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Citation

Unpublished paper, 'On the pressures which sustain a heavy body in equilibrium when the points of support are more than three' by Charles Bonnycastle, 26 October 1818, AP/9/4, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_9_4/unpublished-paper-on-the-pressures-which-sustain-a-heavy-body-in-equilibrium-when-the-points-of-support-are-more-than-three-by-charles-bonnycastle, accessed on 15 May 2026

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is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.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

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