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Works of leonardo da vinci book

The family, who have asked to remain anonymous, believed it to be a portrait.
The innova centre of the Federico II University of Naples, headed by Prof.
2 3, painted in tempera grassa on panel, 60 by 40 centimetres (24 in 16 in) it depicts a man in three-quarter view, with a long beard and wearing a dark hat.
The many fragments of Leonardo da taglio extension Vincis manuscripts that have survived to the present day cover an incredible variety of areas and show how far ahead of his time Leonardo was.Here we have Leonardo depicted as a middle-aged, blue-eyed man." 3 Since that time the focus of attention and research has been directed at proving the painting to be the work of Leonardo da Vinci.Study guide, Saratov 2004;.M.5, in 2017, the, university of Malta refused permission for an exhibition in which the Lucan Portrait was meant to be the centrepiece, citing doubts by its art history department over the attribution to Leonardo.Carbon 14 dating gave 64 chance the wood of the panel dated between 14, making it contemporary with Leonardo, who was born in 1452 and died in 1519.A preliminary cleaning of the painting was carried out, by Professor Giancarlo Napoli of the Suor Orsola Benincasa University in Naples, and revealed micro-cracking (craquelet) of the paint surface which cannot be reproduced artificially and supported a Renaissance date.Felice Festa of the D'Annunzio University of ChietiPescara.The panel is constructed of two main vertical sections of wood of irregular width and joined with two inset butterfly joints.These sections have half-lapped mitre joints to the verticals, visible at the front of the panel.
The gaze of the figure is turned towards the viewer.
8 The pigments were investigated using energy-dispersive X-ray fluorescence analysis (ED-XRF) and were shown, in the unrestored areas, to be compatible in age with the panel and showed no trace of modern pigments in the unrestored areas, 8 however the feather was revealed to have.Gianfranco De Fulvio, RIS-Ra.The Vaglia Basilicata City Council then funded an investigation by a team of scientists, many of whom were from non-art related disciplines, to report upon anything which could be tested to either support or deny the attribution to Leonardo.Nicola Barbatelli has however dismissed this decision, stating that the university did not have academics "with sufficient expertise on the subject".9 Cleaning of the back of the board revealed the reversed inscription "pinxit MEA" written in iron gall, an ink commonly used by Leonardo.8 Further investigation was carried out by a body of specialists in different fields including innova, circe, University of Naples, Cybernetics - National Research Council, and University Suor Orsola Benincasa.Official website of the Carabinieri - Raggruppamento Carabinieri Investigazioni Scientifiche (Ra.