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A Cypher of Mons. Christian Huygens de Zulichem

Reference number: RBO/4/14

Date: 4 February 1669


'Containing an Invention of his, which he not thought fit to make publick as yet, but would secure it to himself this way; which he sent to the Royal Society in a letter of his dated 6 February 1669 (st. no.) and exhibited to the said Society 4 February 1669'

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Earliest possible date
4 February 1669
Page extent
1 page

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A Cypher of Mons. Christian Huygens de Zulichem, 4 February 1669, RBO/4/14, The Royal Society Archives, London,, accessed on 03 March 2024

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  • Register Books

    Dates: 1661-1739

    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.

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