Jules Carpentier
Jules Carpentier (born August 30, 1851 in Paris , † June 30, 1921 in Joigny ) was a French engineer , the author of numerous inventions in the field of optics , photography and film .
biography
As the son of a Parisian cloth merchant, he attended the Lycée Louis-le-Grand and in 1871 entered the École polytechnique . Two years later he left them and became an engineer for the state tobacco factories. In 1876 he resigned and joined the Compagnie des chemins de fer de Paris à Lyon et à la Méditerranée , initially as a trainee worker, and after six months as an assistant to the chief materials engineer.
In 1878, when the designer Heinrich Daniel Rühmkorff died , he bought his workshop, which was on the verge of bankruptcy, and turned it into a successful company for the construction of electrical and magnetic equipment. He was also interested in recording musical improvisations, inventing a piano writer called Mélographe , combined with the Mélotrope for performing the recorded works. From the Carpentier-works the first came galvanometer or Rheographen, ammeter and voltmeter , Wheatstone bridges , calibration capacitors, but also simple magnet sets. The Carpentier workshop also constructed apparatus for measuring magnetic deviation, such as the magnetic observatory.
From 1890 onwards he devoted himself to photography and cinematography. He invented the famous "photo-jumelle à répétition", a very compact camera, easy to use and two-eyed reflex, which became a sales success. Jules Carpentier also realized instruments for focometry and was involved in the shaping of lenses and optomechanics. In addition, he was the inventor of the underwater periscope and worked on the three-color process of photography. He wrote the patent for his cinematograph and built the Lumière brothers' apparatus.
Jules Carpentier was elected a free member of the Académie des sciences in 1907 , was honorary president of the French Photographic Society from 1909 to 1911, succeeding Jules Violle, who was his teacher at the Lycée Louis-le-Grand, and president of the professional association of the electrical industry, the International Electrical Society, French Association for the Advancement of Science and Engineering Society, predecessor of the National Council of Engineers and Scientists of France. In 1897 he was elected to the length office. In 1907 he received the cross of a commander of the Legion of Honor.
He died in a car accident in Joigny in 1921.
Jules Carpentier was the grandfather of television producer Gilbert Carpentier .
Web links
- Biography (french)
| personal data | |
|---|---|
| SURNAME | Carpentier, Jules |
| BRIEF DESCRIPTION | French engineer, author of numerous inventions in the field of optics, photography and film |
| DATE OF BIRTH | August 30, 1851 |
| PLACE OF BIRTH | Paris |
| DATE OF DEATH | June 30, 1921 |
| Place of death | Joigny |