Description of the french toise. Undertaken by Order of the Royal Academy of Sciences,
of Lisbon, and performed in London, By J. and E. Troughton, under the inspection of
J. H. de Magellan, ...[18..]
Internet, https://www-history.mcs.st-andrews.ac.uk/Biographies/Troughton.html, 2019-05-10
Information trouvée : Born: October 1753 in Corney, Died: 12 June 1835 in London