French Academy of Sciences
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| - | [[Charles Cros]] is perhaps most famous as the man who almost, but not quite, invented the [[phonograph]]. No one before M. Charles Cros had thought of reproducing sound by making an apparatus capable of registering and reproducing sounds which had been engraved with a diagraphm. The inventor gave the name of [[Paleophone]] (voix du passé) to his invention. On [[April 30]], [[1877]] he submitted a sealed envelope containing a letter to the [[French Academy of Sciences|Academy of Sciences]] in [[Paris]] explaining his proposed method. The letter was read in public on the 3rd December following. In his letter, after having shown that his method consisted of obtaining an oscillation of a membrane and using the tracing to reproduce the same oscillation, having regard for its duration and intensity Cros added that the cylindrical form of the receiving apparatus seemed to him to be the most practical, as it allowed for the graphic inscription of the vibrations by means of a very fine wormed screw. An article on the Paleophone was published in "la semaine du Clergé" on October 10th, written by l'Abbé Leblanc. Cros proposed metal for both engraving tool attached to the diagraphm and receiving material for durability. | + | The '''French Academy of Sciences''' (''French'': '''Académie des sciences''') is a [[learned society]], founded in [[1666]] by [[Louis XIV of France|Louis XIV]] at the suggestion of [[Jean-Baptiste Colbert]], to encourage and protect the spirit of [[French people|French]] [[Scientific method|scientific research]]. It was at the forefront of scientific developments in [[Europe]] in the [[17th Century|17th]] and [[18th Century|18th]] centuries. |
| - | + | It is one of the earliest [[academy of sciences |academies of sciences]]. | |
| - | Before Cros had a chance to follow up on this idea or attempt to construct a working model, [[Thomas Alva Edison]] introduced his first working phonograph in the [[United States|USA]]. Edison used a cylinder covered in tinfoil for his first phonograph, patenting this method for reproducing sound on [[January 15]], [[1878]]. Edison and Cros apparently did not know of each other's work in advance. | + | |
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The French Academy of Sciences (French: Académie des sciences) is a learned society, founded in 1666 by Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French scientific research. It was at the forefront of scientific developments in Europe in the 17th and 18th centuries.
It is one of the earliest academies of sciences.
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