Czy na wrocławskim Ostrowie Tumskim istniała pracownia szklarska?
[ 1 ] Ośrodek Badań nad Kulturą Późnego Antyku i Wczesnego Średniowiecza we Wrocławiu, Instytut Archeologii i Etnologii Polskiej Akademii Nauk | [ P ] pracownik
2018
artykuł naukowy
polski
EN Many suggestions have been made about the existence of a glass workshop at Ostrów Tumski (Cathedral Island) in Wrocław. Those suggestions were most often referred to a local jewelery production, but were also related to the existence of a stained glass workshop, and even the possibility of making glassware. In the opinion of previous researchers of Ostrów Tumski with glass-making were also associated: glassy lumps, slag, fragments of crucibles, stones coated with a vitreous mass and slag-like lumps, which were interpreted as a part of glass furnace walls. But did a glass workshop really existed at Ostrów Tumski, and if so, what type of workshop it was A-type (producing glass) or type B (producing goods from semi-finished products) and what glass objects were produced on the area of the stronghold? Within the project “Szklarstwo wczesnopolskie w świetle znalezisk z zespołów grodowych Śląska” all the traces that may be related to glasswork were verified. Numerous analyzes of the chemical composition of glass artifacts and finds probably connected with glassmaking activities were carried out. It was found that exanimated fragments of crucibles and slag and slag-like lumps have no connection to glassworks. They are remnants of metallurgy (fragments of crucibles and slag and slag-like lumps) are burned and naturally vitrified objects (stones coated with a vitreous mass and slag-like lumps) or are fractions of molten glass, but of late medieval and modern time ones. Other products (glassware, fragments of stained glass, glazed objects) were recognized as foreign goods. Some types of glass beads are also outlandish. However, it is not excluded that in Wrocław Ostrów Tumski glass jewelery was made – simple forms of monochromatic beads, and above all glass rings. Probably, they were made from semi-finished products – glass sticks and rods, imported from the outside of the stronghold.
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