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Description

Unpublished paper by Fraenkel relating loosely to his previous paper on catapults, found at AP/2/4. This paper discusses four additional subjects: angles of incidence and reflection, calculation of infinite square roots, division of a circle, and Pythagoras' axiom. Fraenkel includes the paper in both German and in French. The paper includes five supporting illustrations.

Subject: Mathematics

Reference number
AP/2/4a
Earliest possible date
1828
Physical description
Ink on paper
Page extent
58 pages
Format
Manuscript
Drawing

Creator name

Johann Caspar Fraenkel

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Citation

Johann Caspar Fraenkel, Unpublished paper, regarding geometry by [Johann Caspar Fraenkel], 1828, AP/2/4a, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_2_4a/unpublished-paper-regarding-geometry-by-johann-caspar-fraenkel, accessed on 11 November 2025

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is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.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