{"tema_id":"2631","string":"aquatint (printing process)","created":"2021-01-06 19:40:49","code":null,"notes":[{"@type":"Nota de escopo","@lang":"en-US","@value":"An intaglio etching technique in which a metal plate is sprinkled with a finely-powdered resin (asphaltum, rosin, etc.); the plate is heated to melt the resin, then cooled, and placed in an acid bath. The acid lightly etches areas not covered with the resin. The results in a plate with fine pockmarks. The process was invented in the 1760s by J.B. LePrince. Aquatints were popular until the late 1830s.\nSource: Art & Architecture Thesaurus\nhttp:\/\/vocab.getty.edu\/page\/aat\/300053242 "}]}