Archive of the month
During 2019 we will be celebrating a “Year of Discovery” which will be an opportunity to :
- look at inventive individuals who have carried out pioneering work in the fields of aeronautics, archaeology, mathematics, Celtic studies etc.
- find out about adventurous Welsh men and women who have travelled the world as settlers or missionaries
- discover more about new and exciting resources for researchers in the Archives and Special Collections
The “Year of Discovery” will enable us to build a multi-layered view of our collections - presenting our strengths and what makes us distinctive from other institutions throughout Wales.
March 2019
William Jones by William Hogarth, oil on canvas, 1740 ( © National Portrait Gallery, London 5734)
along with the title page from his
volume on arithmetic and geometry published in 1706
William Jones (1675-1749), Welsh mathematician and pioneer
On the 14th of March we celebrate pi day – the symbol π (Greek letter for ‘pi’) used to designate the ratio of the circumference of a circle to its diameter, which is approximately 3.14159.
This day is also an opportunity for us to honour William Jones, the Welsh mathematician from Llanfihangel Tre’r Beirdd, Anglesey who became a fellow of the Royal Society in 1711 and was a close friend of Sir Isaac Newton and Sir Edmund Halley.
Jones’s publication Synopsis palmariorum matheseos, or, A new introduction to mathermatics appeared in 1706 and the symbol π was used to represent the ratio of the circumference of a circle to its diameter for the first time in this book.
Today π is instantly recognised worldwide but few know that its history can be traced back to a small village in the heart of Anglesey.
This "Archive of the Month" was created by Elen Wyn Simpson, Archivist
Click on the links below to view all our showcased documents.
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