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The Royal Society: Science in the Making

'The Description and Use of an Apparatus added as an Improvement to Davis's Quadrant, consisting of a Mercurial level...' by Charles Leigh

Reference number: RBO/21/64

Date: 1739

Description

'... for taking the Co-altitude of the Sun or Star at Sea, without the usual assistance of the sensible Horizon, which frequently is obscured'
Engraved figure from 'Philosophical Transactions' attached
Read to the Royal Society on 28 June 1739

Reference number
RBO/21/64
Earliest possible date
1739
Page extent
11 pages
Format
Manuscript

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Citation

'The Description and Use of an Apparatus added as an Improvement to Davis's Quadrant, consisting of a Mercurial level...' by Charles Leigh, 1739, RBO/21/64, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/rbo_21_64/the-description-and-use-of-an-apparatus-added-as-an-improvement-to-daviss-quadrant-consisting-of-a-mercurial-level-by-charles-leigh, accessed on 17 July 2025

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https://makingscience.royalsociety.org/items/rbo_21_64/the-description-and-use-of-an-apparatus-added-as-an-improvement-to-daviss-quadrant-consisting-of-a-mercurial-level-by-charles-leigh

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  • Register Books

    The 'Register Books Originals' contain copies of scientific papers submitted to the Society and considered for publication. The papers were transcribed to establish their precedence for a particular discovery or idea.

    Dates: 1661 - 1739

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