• publisher: Paris : Victor Masson et fils
  • creator: Helmholtz, Hermann Ludwig Ferdinand von, (1821-1894) Royal College of Surgeons of England
  • contributor: Royal College of Surgeons of England.
  • Keyword: Physics. Electronic books.
  • years: 1869.
  • pages: 137 p. ;
  • language: fre
  • download: pdf file