3 documents found, page 1 of 1
The mysterious halos in iron gall ink manuscripts: an analytical explanation
Manso, M; Cardeira, A M; Silva, M; Le Gac, A; Pessanha, S; Guerra, M; Caldeira, A T; Candeias, A; Carvalho, M LThree historical manuscripts, two on parchment (dated 1280 and 1514) and one on paper support (dated 1589–1592), were under study. The three manuscripts were strongly attacked by microorganisms exhibiting dark brownish stains all over the surface except in the adjacent areas to some of the used inks, where a halo around the written text could be observed. In order to understand the origin of these halos, inks a...
Challenging wax-cast figurine serial production unravelled by multi-analytical ...
Le Gac, A; Madeira, T; Pereira, M; Santos, J; Piorro, L; Dias, L; Manso, M; Bleton, J; Longelin, S; Prazeres, C; Mirao, J; marques, J; Candeias, AEight complementary techniques were successfully applied to study a pair of very alike eighteenth-century colored wax figurines belonging to the Museu Nacional Machado de Castro, Coimbra (Portugal): examination under visible and ultraviolet light, X-ray radiography (XRR), neutron radiography and tomography (NR and NT), energy dispersive X-ray fluorescence (EDXRF), scanning electron microscopy coupled with energ...
Pinturas murais do Palácio dos Condes de Basto, atribuídas a Thomás Luis (Évora...
Cordeiro, F; Rosado, T; Mirão, José; Caldeira, A. Teresa; Le Gac, A; Serrão, VitorAs part of the research undertaken on easel and mural paintings by or attributed to Thomás Luis (c.1565-c.1612), an interdisciplinary diagnostic is presented in this paper regarding tow sixteenth-century fresco-ceilings at Palácio dos Condes de Basto, actual Fundação Eugénio de Almeida (FEA), attributed to this artists by Vítor Serrão [3, 4]: “Tomada de La Goleta” and “Armas”. Aiming their safeguard pathologies...