Mas allá de los primeros retratos fotográficos plateados: Estudio mediante microscopía SEM-EDX de dos daguerrotipos
Resumo
Daguerreotypes were the first photographic portraits and their study is essential to understand their value, their material complexity and the experimental nature of photography in its earliest period. Analytical techniques such as SEM-EDX scanning electron microscopy have been widely used for characterization, diagnosis and conservation, since they allow morphological study of their surfaces and the elemental composition that form these unique artifacts. This research analyze and discuss the results obtained with this method in two daguerreotypes which belong to engineer Gustavo Gillman’s collection, in the General Archive Region of Murcia –AGRM- and Photographic Research Laboratory in the University of Murcia –LIFUM-. The goal is to deepen understanding about their into materiality, manufacturing method, state of conservation and explore the main causes of deterioration. In addition, the presence of an unusual element in one daguerreotype as uranium is highlighted, and the role that this could play in the object is discussed.
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