{"id":16025,"date":"2024-12-11T13:51:25","date_gmt":"2024-12-11T11:51:25","guid":{"rendered":"https:\/\/thewebdevpoint.com\/?post_type=colectie&#038;p=16025"},"modified":"2024-12-11T13:51:25","modified_gmt":"2024-12-11T11:51:25","slug":"cupa-de-logodna","status":"publish","type":"colectie","link":"https:\/\/thewebdevpoint.com\/fr\/colectie\/cupa-de-logodna\/","title":{"rendered":"Coupe de fian\u00e7ailles"},"content":{"rendered":"<p>Les premi\u00e8res verreries de Boh\u00eame apparurent au XIIIe si\u00e8cle, dans les for\u00eats encore vierges des Monts M\u00e9tallif\u00e8res et de Lusace, dans les Monts des G\u00e9ants occidentaux et sur les collines d&#039;Orlice. Les verreries des for\u00eats de Boh\u00eame prirent de l&#039;importance au XVIIe si\u00e8cle, lorsque la qualit\u00e9 des produits augmenta consid\u00e9rablement gr\u00e2ce \u00e0 l&#039;apport d&#039;artisans de Bavi\u00e8re, d&#039;Autriche, de France et surtout d&#039;Italie. Les verriers de Boh\u00eame souhaitaient imiter le verre v\u00e9nitien, mais leur fusion \u00e9tait trop dense et sa plasticit\u00e9 r\u00e9duite en raison de sa composition silicate-potassique. Soucieux d&#039;am\u00e9liorer la qualit\u00e9 du verre produit, les verriers de Boh\u00eame d\u00e9couvrirent, gr\u00e2ce \u00e0 de nombreuses exp\u00e9riences, la formule de la composition silicate-potassium-calcium, en y ajoutant de l&#039;oxyde de calcium. Cette recette produisit le verre le plus dur connu \u00e0 l&#039;\u00e9poque, ce qui lui permit d&#039;\u00eatre grav\u00e9 et taill\u00e9 en profondeur, \u00e0 l&#039;instar du cristal de roche. Ce fut un processus progressif, mutuel et ind\u00e9pendant de perfectionnement du mat\u00e9riau. Le cristal de Boh\u00eame devint tr\u00e8s recherch\u00e9 et initia une v\u00e9ritable mode dans tous les centres de l&#039;Europe.<br \/>\nBautemps, que J. Barrelet consid\u00e9rait comme \u00ab l&#039;un des plus remarquables techniciens verriers du XIXe si\u00e8cle \u00bb, a transmis, dans un de ses \u00e9crits, la composition du verre de Boh\u00eame, telle qu&#039;appliqu\u00e9e par les verriers fran\u00e7ais qui travaillaient \u00ab \u00e0 la fa\u00e7on de Boh\u00eame \u00bb : sable de quartz concass\u00e9 et moulu... 100 parties, carbonate de potassium... 38 - 42 parties, chaux \u00e9teinte... 18 parties, nitrate de potassium... 1,25 partie, arsenic... 0,75 partie.<br \/>\nLe d\u00e9veloppement sans pr\u00e9c\u00e9dent de la verrerie en Boh\u00eame a \u00e9t\u00e9 possible gr\u00e2ce \u00e0 la capacit\u00e9 des artistes locaux \u00e0 r\u00e9pondre aux exigences les plus exigeantes en mati\u00e8re de forme et de d\u00e9coration, en subordonnant leurs propres id\u00e9es, inspiration et cr\u00e9ativit\u00e9 aux souhaits de leurs clients.<br \/>\nExp\u00e9rimentateur brillant, Friederich Egermann (1777-1864) a consid\u00e9rablement enrichi l&#039;art du verre gr\u00e2ce \u00e0 de nombreuses inventions dans le domaine des technologies et des techniques de d\u00e9coration. Il a adapt\u00e9 au verre l&#039;art de la peinture sur \u00e9mail sur porcelaine, appris \u00e0 Meissen. On lui attribue l&#039;introduction des pinceaux en crin de cheval doux, qui ont contribu\u00e9 \u00e0 l&#039;obtention de d\u00e9cors raffin\u00e9s, \u00ab dans le style de Meissen \u00bb. Parmi les inventions d&#039;Egermann figurent \u00e9galement la gla\u00e7ure rouge, dont il a accord\u00e9 l&#039;exclusivit\u00e9 \u00e0 la soci\u00e9t\u00e9 \u00ab Vogelsang und M\u00fcller \u00bb de Francfort-sur-le-Main, le verre lithyalin et hyalith (qui imitait la malachite, la cornaline ou l&#039;agate), l&#039;application d&#039;une goutte de verre color\u00e9 (g\u00e9n\u00e9ralement jaune) sur la surface d&#039;une pi\u00e8ce incolore, son polissage et sa gravure, et bien d&#039;autres. Les inventions d&#039;Egermann sont encore utilis\u00e9es avec succ\u00e8s aujourd&#039;hui. En 1842, 200 verriers travaillaient dans ses ateliers, d\u00e9corant entre 136 et 170 tonnes de verre par an.<br \/>\nLa pi\u00e8ce d&#039;Egermann appartenant au Mus\u00e9e national Pele\u0219, \u00e0 savoir la \u00ab coupe de fian\u00e7ailles \u00bb, porte une inscription de d\u00e9dicace en allemand, r\u00e9alis\u00e9e en cristal, sur une base polylob\u00e9e, avec un pied court et facett\u00e9, un corps bulbeux \u00e0 huit facettes pentagonales sur la partie sup\u00e9rieure, sur lequel des gouttes de verre jaune ont \u00e9t\u00e9 appliqu\u00e9es, qui, apr\u00e8s fusion avec le verre de base et polissage, ont \u00e9t\u00e9 grav\u00e9es de symboles d&#039;amour, de paix et de sant\u00e9.<\/p>","protected":false},"featured_media":16026,"parent":0,"menu_order":0,"template":"","meta":{"_acf_changed":false},"categorie-colectie":[3],"tag-obiect-colectie":[],"class_list":["post-16025","colectie","type-colectie","status-publish","has-post-thumbnail","hentry","categorie-colectie-sticlarie"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cup\u0103 de Logodn\u0103 &#183; 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