Euclid Speidell

Euclid Speidell (died 1702) was an English customs official and mathematics teacher known for his writing on logarithms. Speidell published revised and expanded versions of texts by his father, John Speidell.[1] He also published a book called Logarithmotechnia, or, The making of numbers called logarithms to twenty five places from a geometrical figure in 1688.[2][3]

Speidell lived in Angel Alley in the 1680s and 1690s, according to the Survey of London.[4]

Speidell's name appears on an instrument made by his contemporary Henry Sutton.[5]

References
  1. Beeley, Philip (June 2019). "Practical mathematicians and mathematical practice in later seventeenth-century London". The British Journal for the History of Science. 52 (2): 225–248. doi:10.1017/S0007087419000207. PMID 31198123.
  2. Logarithmotechnia, or, The making of numbers called logarithms to twenty five places from a geometrical figure. OCLC 12621300. Retrieved 13 March 2020 – via WorldCat.
  3. Euclid Speidell (1688) Logarithmotechnia: the making of numbers called logarithms at Google Books
  4. 84b Whitechapel High Street from Survey of London
  5. Jardine, Boris (2008). "The 'incomparable' Mr. Sutton: a famous 17th-century instrument maker". Whipple Collections. Whipple Museum of History and Science. Retrieved 29 October 2016.
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