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These are anagrams of 14 propositions that describe Christian Huygens's discoveries. Huygens, in his letter to Henry Oldenburg dated 25 August 1669, asked them to be kept at the Royal Society in order to secure his priority in their discovery.

Subject: Physics / Coding

Read to the Royal Society on 21 October 1669.

Reference number
Earliest possible date
04 September 1669
Physical description
Ink on paper
Page extent
2 pages

Creator name

Christiaan Huygens

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Christiaan Huygens, Paper, 'Anagrammata propositionum XIV' by Christian Huygens, 04 September 1669, CLP/3i/56, The Royal Society Archives, London,, accessed on 24 July 2024

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  • Classified Papers

    Dates: 1592-1741

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

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