Wares continued to be produced in a slow decline, now relying on relatively local demand for tiles and other decorated items, including votive offerings. There were still said to be thirty working kilns at Manises around 1800, by which time the first efforts to revive the industry's former glory had already been made. The secrets of the techniques for making high-quality wares were largely lost, and after Carlos III of Spain took a personal interest a report was commissioned in 1785 to record the methods then being used, lest more was lost. By the 1870s a market had developed for pieces as close to the early work as could be managed, and a number of new firms were set up, some of which continue today, although little original work in the tradition is done.