{"tema_id":"3443","string":"daguerreotype (process)","created":"2021-01-31 10:07:09","code":null,"notes":[{"@type":"Nota de escopo","@lang":"en-US","@value":"Process that produces a direct positive image on a silver-coated copper plate, invented by Louis-Jacques-Mand\u00e9 Daguerre of France and Joseph-Nic\u00e9phore Niepce in the 1830s. In the process, a copper plate is coated with silver iodide and exposed to light in a camera, then fumed with mercury vapour and fixed with common salt in solution.\nSource:\u00a0Art & Architecture Thesaurus\nhttp:\/\/vocab.getty.edu\/page\/aat\/300053530 "}]}