Since 1827, the applications of chemical science to textile-dyeing processes were taught at the Chemistry School located in the «Atelier de teinture des Gobelins», in Paris. The school's director was Michel-Eugène Chevreul, whose renown brought to Paris students from several countries. Among them were Catalan an Spanish students, who attended the courses on fellowships endowed by their provincial governments («Diputaciones»). The new techniques those students learned with Mr. Chevreul were then taught in local schools and subsequently adopted by Catalan textile mills, becoming part of their ordinary procedures. This is an example of the transfer of scientific and technical knowledge to the European periphery in the second half of the nineteenth century. On the other hand, there is evidence pointing to a lasting association between Mr. Chevreul and one of his Catalan students, Josep Vallhonest