John Playfair: Revision history

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17 February 2011

27 February 2009

25 February 2009

24 February 2009

  • curprev 07:0007:00, 24 February 2009imported>Gareth Leng 3,637 bytes +3,637 New page: {{subpages}} ''(Text imported from [http://www.1911encyclopedia.org/John_Playfair Britannica 1911)'' JOHN PLAYFAIR (1748-1819), Scottish mathematician and physicist, was born at Benvie,...