LSE4096032 Arago announces the discovery of Daguerre, in the public session of the Academy of Sciences of August 10, 1839 - in ??s??? The wonders of science??????, by Louis Figuier, 19th century by French School, (19th century); Private Collection; (add.info.: Arago announces the discovery of Daguerre, in the public session of the Academy of Sciences of August 10, 1839 - in ??s??? The wonders of science??????, by Louis Figuier, 19th century); Photo ?? Leonard de Selva.