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Paper, 'Account of an observation of the right ascension and declination of Mercury out of the meridian near his greatest elongation, September 1786, with an equatorial micrometer of his own invention and workmanship; with an investigation of a method of allowing for refraction in such observations' by John Smeaton

Reference number: L&P/9/55

Date: 1787

Description

Contains plate.

Subject: Astronomy

Published in Philosophical Transactions, as 'Account of an observation of the right ascension and declination of Mercury out of the Meridian, near his greatest elongation, Sept. 1786, made by Mr. John Smeaton, F. R. S. with an equatorial micrometer, of his own invention and workmanship; accompanied with an investigation of a method of allowing for refraction in such kind of observations; communicated to the Rev. Nevil Maskelyne, D. D. F. R. S. and Astronomer Royal, and by him to the Royal Society'

Read 7 June 1787

Reference number
L&P/9/55
Earliest possible date
1787
Physical description
Ink on paper and plate
Page extent
29 pages
Format
Manuscript

Creator name

John Smeaton

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Citation

John Smeaton, Paper, 'Account of an observation of the right ascension and declination of Mercury out of the meridian near his greatest elongation, September 1786, with an equatorial micrometer of his own invention and workmanship; with an investigation of a method of allowing for refraction in such observations' by John Smeaton, 1787, L&P/9/55, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/l-and-p_9_55/paper-account-of-an-observation-of-the-right-ascension-and-declination-of-mercury-out-of-the-meridian-near-his-greatest-elongation-september-1786-with-an-equatorial-micrometer-of-his-own-invention-and-workmanship-with-an-investigation-of-a-method-of-allowing-for-refraction-in-such-observations-by-john-smeaton, accessed on 11 April 2026

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  • Letters and Papers

    'Letters and Papers' contains the scientific correspondence sent to the Royal Society through the 18th century, many of which were published in its journal.

    Dates: 1741 - 1806

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