Pierre-Denis Vregeon , born with Rouen the September 20th 1723 and died in Rouen the May 2nd 1794, is a Physicien French.

Having embraced the ecclesiastical state, Pierre-Denis Vregeon was initially accustomed priest of the Saint-Godard parish of Rouen, then cleaned Salmonville-the-Savage, but it dislocated soon this cure to be able to more freely deliver to the study sciences, especially with that of the experimental Physique.

Receipt member of the Academy of Science, the Humanities and Art of Rouen in 1754, he became the treasurer and the librarian about it when a royal equipment of 600 pounds made public the library of the Academy in 1782. Two years later, it published the catalog of it where its portrait engraved per M. - D. Hautot appears. It was also named, in 1764, judge of the contests of the Academy of the Palinod S of Rouen. He was also intendant of the Botanical garden of Rouen.

This ecclesiastic had much originality in the spirit and his manner of living. He was expressed thus in a note of the table of the registers of the Academy of Rouen, with the article Amitié : “ the friendship of the men of letters, I do not have there more faith that with that of the sex; two scientists encensent themselves, two women embrace themselves, I do not believe a mot. of them All do not rent themselves that with load of blame. None forgives itself the superiority, even after death. ”

There is of the Vregeon abbot a Mémoire on the force of the points to tap the electric fluid ; Memory on the malleability of brass cold ; Memory on the manner of using the pneumatic machine sophisticated by Nicolas Thillaye ; Memory on the softening of the bones by the machine of Papin , 1754; Meteorological observations , inserted in the Newspaper of Normandy .

One also owes him a Dictionnaire of the rules of the Latin composition, with the use of the children , Rouen, the Butcher, 1757; Rudiment of the children in the shape of Dictionary , Rouen, Machuel, 1765; Catalog of the books of the library of the Academy of Rouen ; Newspaper of the Librarian of the king and the Academy of Rouen, being used as memory to consult with our lords of the General states , 1788; Letter with a member of the Academy of Rouen .

Works

• In Nosseigneurs the General states , 1788
• Dictionary of the rules of the Latin composition, with the use of the children , Rouen, the Butcher, 1757
• Rudiment of the children in the shape of Dictionary , Rouen, Machuel, 1765