Colloques et conférences
Notes on the "Nature of Creta Anularia": In Latin, the word "creta" indicates generally a dry and soft substance that is not plastic. In Roman painting, "creta anularia" (Vitr. 7, 14, 2; Plin. nat. 35 , 46) is mixed with pastel dye ("Isatis tinctoria") ; it absorbs the blue-purple colouring agent to...