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John Garstang on site at Beni Hassan, from the glass plate negative collection at the Garstang Museum of Archaeology. John Garstang's theodolite, Hunterian Museum, Glasgow. John Garstang (5 May 1876 – 12 September 1956) was a British archaeologist of the Ancient Near East, especially Egypt, Sudan, Anatolia and the southern Levant.
Sacramentarium Gelasianum.Frontispice and Incipit from the Vatican manuscript. By the 7th century, the abilities of Merovingian craftsmen must have been well regarded, as they were brought to England to re-introduce glass making skills, and Merovingian stonemasons were used to build English churches. [3]
A very important advance in glass manufacture was the technique of adding lead oxide to the molten glass; this improved the appearance of the glass and made it easier to melt using sea-coal as a furnace fuel. This technique also increased the "working period" of the glass, making it easier to manipulate.
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Glass casting is the process in which glass objects are cast by directing molten glass into a mould where it solidifies. The technique has been used since the 15th century BCE in both Ancient Egypt and Mesopotamia. Modern cast glass is formed by a variety of processes such as kiln casting or casting into sand, graphite or metal moulds.
Batch processing is one of the initial steps of the glass-making process. The batch house simply houses the raw materials in large silos (fed by truck or railcar), and holds anywhere from 1–5 days of material. Some batch systems include material processing such as raw material screening/sieve, drying, or pre-heating (i.e. cullet). Whether ...
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The main type of glass found in the Anglo-Saxon period is a soda-lime-silica glass, continuing the Roman tradition of producing glass. [2] [3] There is very little evidence for glass making from the raw materials in Roman Britain [20] and even less evidence in Anglo-Saxon Britain. [3]