The History of Painting in Italy. Luigi Lanzi

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Название The History of Painting in Italy
Автор произведения Luigi Lanzi
Жанр Документальная литература
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Издательство Документальная литература
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isbn 4064066390006



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this difficulty, and he became more truly sensible of it, from the circumstance of having exposed one of his paintings to the sun, in order to harden, when the excess of heat split the panel. Being at that period sufficiently skilled both in philosophical and philological inquiries, he began to speculate on the manner of applying oils, and of their acquiring a proper consistency without the aid of the sun. "By uniting it with other mixtures he next produced a varnish, which, dried, was water proof, and gave a clearness and brilliancy, while it added to the harmony of his colours." Such are the words of Vasari; and thus, in a very few words, we may arrive at a satisfactory solution of the question. Before the time of Van Eych, some sort of method of painting in oil was known, but so extremely tedious and imperfect, as to be scarcely applicable to the production of figure pieces. It was practised beyond the Alps, but is not known to have been in use in Italy. Giovanni carried the first discovery to its completion; he perfected the art, which was afterwards diffused over all Europe, and introduced into Italy, by means of Antonio, or Antonello da Messina.

      Here again we are met by another class of objectors, who enter the lists against Van Eych, against Antonello, and more decidedly against Vasari, not with arguments from books, but in the strength of pictorial skill, and chemical experiments.

      Besides this material, certain gums, and yolks of eggs, which easily deceive the eye of the less skilful, were also used, and very nearly resemble those pictures that display a scanty portion of oil, as is observed by Zanetti, in his account of Venetian painting (p. 20); and the analysis of Tommaso da Modena's picture has tended to confirm his opinion. This information I owe to the late Count Durazzo, who, in 1793, assured me, when at Venice, that he had himself beheld, at Vienna, the process of analyzing such pictures, by very skilful hands, at the command, and in the presence of Prince Kaunitz; and that it was the unanimous opinion of those professors, that no traces of oil were to be found. The colours consisted of the finest gums, mixed with the yolk and white of eggs, a fact that afforded just ground for a like conclusion in regard to similar works by the ancients. I fully appreciate, likewise, the opinion of Piacenza upon the celebrated picture of Colantonio; this I reserve, however, together with some further reflections of my own, for the school of Naples.

      Having removed the objections brought against the opinion of Vasari, I must add a few words in regard to a passage where he seems to have forgotten what he had said in the life of Angiol Gaddi, but which will in fact throw further light upon the question. He is giving an account of the paintings and writings of Andrea Cennini, a scholar of Angelo. This person, in 1437, that is, long before the arrival of Domenico, composed a work on painting, which is preserved in MS. in the library of S. Lorenzo. He there treated, says Vasari, of grinding colours with oil, for making red, blue, and green grounds; and various new methods and sizes for gilding, but not figures. Baldinucci examined the same manuscript, and found these words in the 89th chapter:—"I wish to teach thee how to paint in oil on walls, or on panel, as practised by many Germans;" and on consulting the manuscript, I find, after that passage, "and by the same method on iron and on marble; but I shall first treat of painting on walls." In the succeeding chapters he says, that this must be accomplished "by boiling linseed oil." This appears not to accord with the assertion of Vasari, that John of Bruges, after many experiments, "discovered that linseed oil and nut oil were the most drying. When boiled with his other ingredients they formed the varnish so long sought after by him and all other painters." On weighing the evidence, we should, in my opinion, take three circumstances into consideration: The first is, that Vasari does not deny that oil was employed in painting; since he affirms that it was long a desideratum, and consequently had been often attempted; but that alone is perfect which, "when dry, resists water; which brightens the colours, makes them clear, and perfectly unites them." 2. The oil of Cennini might not be of this sort, either because it was not boiled with the ingredients of Van Eych, or because it was intended only for coarse work; a circumstance rendered probable by the fact, that though he painted the Virgin, with several Saints, in the hospital of Bonifazio, at Florence, "in a good style of colouring," yet he never excited the admiration nor the envy of artists. 3. The above remarks forbid us to give implicit confidence to every relation that is given of ancient oil pictures; but we are not blindly to reject all accounts of imperfect attempts of that nature. After this digression we return to our narrative.