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Este artigo resulta de uma pesquisa feita na confluência da história das ciências, história social da saúde, história de arte e estudos de património, a partir do espólio do Hospital do Desterro, no centro de Lisboa. O Hospital era especializado em dermatologia e tinha uma larga tradição de assistência no campo da sífilis e venereologia; foi encerrado em 2007 no âmbito de uma reorganização do sistema hospitalar. O espólio inclui documentos, instrumentos, literatura científica e clínica, e uma curiosa colecção de moldagens representando lesões dermatológicas. Esta ocu¬pa o centro da nossa análise, que inclui uma contextualização da arte da ceroplastia em anatomia e em anatomia patológica, em particular na dermatologia, bem como o desenvolvimento de hipóteses sobre o seu uso em Portugal nalguns serviços de dermatovenereologia entre os anos de 1935 e 1945. Palavras-Chave: Património de saúde, moldagens de cera, dermatologia

The present study focuses on hydrogeochemical data from a Hercynian granitic mass where a new underground hydraulic circuit for a hydropower plant is being developed between two reservoirs and near another existing and operating underground hydraulic circuit. The main goal of this work is to assess the use of multivariate statistics to distinguish groundwater from different flow systems, to aid in evaluating the possible infiltration of water from the existing hydraulic circuit into the new one. Sampling points were selected inside the tunnels (eight points at the new circuit and one point at the existing circuit), near the surface (five points along the new circuit major axis) and on Venda Nova dam reservoir (one point). Based on laboratory determinations of major ions, three distinct groups of waters with different physicochemical characteristics and spatial distribution were established by cluster analyses. The relations of these groups with the characteristics of the occurrences are discussed with the support of principal component analysis. A hydrogeochemical conceptual model for groundwater flow systems related to infiltration and water–rock interaction in this granite rock mass is proposed based on multivariate statistical analyses and geological information. Supplementary material: Sample point coordinates, data results of physical–chemical parameters and elements, statistical data results of physical–chemical parameters and elements, and isotope data are available at https://doi.org/10.6084/m9.figshare.c.2857303.v1 .

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