to the perfection these petitioners have acquired". Notes References Battie, David, ed., Sotheby's Concise Encyclopedia of Porcelain, 1990, Conran Octopus, Chaffers, William, "The Earliest Porcelain Manufactory in England", in The Art Journal, 1865, google books Coutts, Howard, The Art of Ceramics: European Ceramic Design, 1500–1830, 2001, Yale University Press, , 9780300083873, google books Munger, Jeffrey, Sullivan Elizabeth, European Porcelain in The Metropolitan Museum of Art: Highlights of the collection, 2018, Metropolitan Museum of Art, , 9781588396433, google books Savage, George, (1959), Pottery Through the Ages, Penguin, 1959 Savage, George, (1963), Porcelain Through the Ages, Penguin, (2nd edn.) 1963 Porcelain of France porcelain