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Jules Violle

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Nationality
  
Fields
  
Role
  
Physicist

Name
  
Jules Violle


Jules Violle 4astjeditripodcommediaviolle1gif

Known for
  
solar constantluminous intensityFulcanelli

Died
  
September 12, 1923, Fixin, France

Education
  
Ecole Normale Superieure

Jules Louis Gabriel Violle (16 November 1841, Langres, Haute-Marne – 12 September 1923, Fixin) was a French physicist and inventor.

Jules Violle httpssmediacacheak0pinimgcomoriginals3a

He is notable for having determined the solar constant at Mont Blanc in 1875, and, in 1881, for proposing a standard for luminous intensity, called the Violle, equal to the light emitted by 1 cm² of platinum at its melting point. (It was notable as the first unit of light intensity that did not depend on the properties of a particular lamp, but it was made obsolete by the candela, the standard SI unit.)

Jules Violle Jules Violle Biography

Throughout his life, Violle taught at several colleges including the University of Lyon and the Conservatoire des Arts et Métiers in Paris. He was one of the founders of the Institut d'optique théorique et appliquée and the École supérieure d'optique. He improved and invented a number of devices for measuring radiation, and determined the freezing and melting points of palladium.

Jules Violle Happy Birthday Fulcanelli Signs of the Times Thu 16 Nov 2006

Violle is believed by some to be the secret identity of Fulcanelli, a contemporary French alchemist whose true identity is still debated. His biography can be found in this book: "A l'ombre des chênes, l'alchimiste de la République". [1]

Jules Violle Platinum and the Standard of Light Johnson Matthey Technology Review

Jules Violle Jules Violle 18411923 LAlchimiste de la lumire

Jules Violle CHAMPAGNE ET JULES VIOLLE JULIEN CHAMPAGNE

References

Jules Violle Wikipedia


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