Unpublished paper, 'On the nature and properties of straight lined angles' by J [John] Walsh
Reference number: AP/11/23
Date: 15 January 1825
Description
Walsh provides a new definition of a right angle, or straight lined angle, and attempts to address difficulties in the theory of parallels. A later version of this paper is found at AP/11/25.
Subject: Mathematics
Written by Walsh in Cork [Ireland].
- Reference number
- AP/11/23
- Earliest possible date
- 15 January 1825
- Physical description
- Ink on paper
- Page extent
- 3 pages
- Format
- Manuscript
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Citation
Unpublished paper, 'On the nature and properties of straight lined angles' by J [John] Walsh, 15 January 1825, AP/11/23, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_11_23/unpublished-paper-on-the-nature-and-properties-of-straight-lined-angles-by-j-john-walsh, accessed on 07 November 2025
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https://makingscience.royalsociety.org/items/ap_11_23/unpublished-paper-on-the-nature-and-properties-of-straight-lined-angles-by-j-john-walsh
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Hierarchy
This item is part of:
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Archived papers: volume 11, scientific papers submitted the Royal Society unpublished or abstracted, 1822-1825
1820-1825 Reference number: AP/11
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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is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.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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