Reports state that before patenting the loom Jacquard was summoned to Paris and attached to the Conservatoire nationale des arts et métiers. There he saw a loom by Jacques Vaucanson which suggested various improvements to his own, enabling Jacquard to perfect his invention before patenting it. Christian, Directeur du Conservatoire royal des Arts et Métiers, Tome Quatrième (1820). 62-72 of Description des machines et procédés spécifiés dans les brevets d'invention de prefectionnement et d'importation, Dont la durée est expirée Publiée d'après les ordres de Son Excellence le Ministre de l'Intérieur, Par M. This patent was first published in print on pp. 245 in the French system of brevets, dated 23 December 1801, was entitled Brevet d'invention de dix ans, Pour une machine destinée à suppléer le tireur de lacs, dans la fabrication des étoffes brochées et façonnées. In 1801 Jacquard received a patent for the automatic loom which he exhibited at the industrial exhibition in Paris in the same year. He was born into a family of weavers, and some say that he was originally apprenticed as a bookbinder others say that he was originally a manufacturer of straw hats. Few details are known for sure about the early career of Joseph-Marie Jacquard of Lyon.
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