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Letter, from Henry Oldenburg to [Christiaan] Huygens, dated at London

Reference number: EL/O1/99

Date: 23 January 1669


Concerning his observations of the solar eclipse; concerning the publication of the position of fixed stars from a Greek manuscript copy of the 'Almagest'; states that he will send Wallis's paper on tides; that his telescope is nearly ready; concerning errors in 'Specimen recognitionis' published by Erasmus Bartholin at Copenhagen; concerning an instrument for measuring small distances which can be attached to a telescope; concerning distribution of his 'Cometographia' and 'Selenographia'

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Earliest possible date
23 January 1669
Page extent
3 pages

Creator name

Henry Oldenburg

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Henry Oldenburg, Letter, from Henry Oldenburg to [Christiaan] Huygens, dated at London, 23 January 1669, EL/O1/99, The Royal Society Archives, London,, accessed on 20 April 2024

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  • Early Letters

    Dates: 1613-1740

    The archival collection known as 'Early Letters' is composed of original manuscript letters sent to, or collected by, the Royal Society from English and foreign correspondents.

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