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The Royal Society: Science in the Making

Cyphers, two cyphers by Christian Huygens and Chr [Christpher] Wren

Reference number: CLP/3i/46

Date: 1669

Description

Paper containing two cyphers, one by Christian Huygens containing an inversion, sent in a letter to the Royal Society on 6 February 1669 and shown to the Society on 21 February 1669. Wren's cypher was communicated the same day and ordered to be sent to Huygens.

Subject: Mathematics

Read to the Royal Society on 4 February 1669 [likely inaccurate given dating surrounding Huygens' cypher].

Reference number
CLP/3i/46
Earliest possible date
1669
Physical description
Ink on paper
Page extent
1 page
Format
Manuscript

Creator names

Christiaan Huygens

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Christopher Wren

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Citation

Christiaan Huygens, Christopher Wren, Cyphers, two cyphers by Christian Huygens and Chr [Christpher] Wren, 1669, CLP/3i/46, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/clp_3i_46/cyphers-two-cyphers-by-christian-huygens-and-chr-christpher-wren, accessed on 17 March 2025

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https://makingscience.royalsociety.org/items/clp_3i_46/cyphers-two-cyphers-by-christian-huygens-and-chr-christpher-wren

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  • Classified Papers

    The 'Classified Papers' of the Royal Society are papers from British and international natural philosophers and scholars categorised according to subject areas.

    Dates: 1592 - 1741

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