1899 in science

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References

  1. Cartan, Élie (1899). "Sur certaines expressions différentielles et le problème de Pfaff" (PDF). Annales Scientifiques de l'École Normale Supérieure. Série 3 (in French). Paris: Gauthier-Villars. 16: 239–332. ISSN 0012-9593. JFM 30.0313.04. Retrieved 2018-05-02.
  2. Crilly, Tony (2007). 50 Mathematical Ideas you really need to know. London: Quercus. p. 113. ISBN 978-1-84724-008-8.
  3. "Archives Biographies: Hertha Ayrton". Institution of Engineering and Technology. Archived from the original on 2010-08-26. Retrieved 2011-08-11.
  4. "World's first colour film footage viewed for first time". BBC News. 2012-09-12. Retrieved 2020-08-11.
  5. Henderson, Ron (February 2011). "Fire King". Vintage Spirit (103): 30–34.
  6. "Copley Medal | British scientific award". Encyclopedia Britannica. Retrieved 23 July 2020.
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