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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.
Hundreds of window glass fragments have been found at Jarrow, Wearmouth, Brandon, Whithorn and Winchester. [14] [15] This evidence supports the historical records, such as Bede’s account of Benedict Biscop’s importation of glaziers from Gaul to glaze the windows in the monastery at Wearmouth in AD 675. [3] [15] Most Anglo-Saxon window glass ...
German workers were used, and production of window glass is believed to have begun in 1786. [108] De Neufville was a poor financial manager, and the glass works was abandoned by 1790. [109] James Caldwell and associates renovated the abandoned factory in 1792 and began producing window glass. He called his factory the Albany Glass House. [110]
The Englishmen in Jamestown were the first to produce glass. Window glass, however, did not make an American appearance until about 1739. [10] It would not be until the 1800s that Bakewell would enter the industry. At first, the majority of glass pieces found by historians were attributed to Boston and Sandwich. It was later decided that the ...
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From its Indian origins, glass beads spread as far as Africa and Japan, sailing with the monsoon winds, hence their being referred to as 'trade wind beads'. [19] The most common compositional type, representing 40% of the glass finds for the region, is known as mineral soda-alumina glass [20] and is found from the 4th century BC to the 16th ...
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The glass is taken from the furnace in large iron ladles, which are carried upon slings running on overhead rails; from the ladle the glass is thrown upon the cast-iron bed of a rolling-table; and is rolled into sheet by an iron roller, the process being similar to that employed in making plate-glass, but on a smaller scale.