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Originally, only beige, black, and white colors were available. But by the 1930s, new manufacturing methods could make pigmented structure glass translucent, and more than 30 colors were available. [2] In time, even agate- and marble-like color patterns were available. [11] Black structural glass was sometimes silvered, to give it a reflective ...
Irish stained glass artists and manufacturers (1 C, 19 P) Pages in category "Glassmaking companies of Ireland" The following 10 pages are in this category, out of 10 total.
Broadly, modern glass container factories are three-part operations: the "batch house", the "hot end", and the "cold end". The batch house handles the raw materials; the hot end handles the manufacture proper—the forehearth, forming machines, and annealing ovens; and the cold end handles the product-inspection and packaging equipment.
Coloring of glass could either be achieved by adding bits of pre-existing colored glass, such as bottle shards or beads, by adding scrap metals, or by adding mineral pigments directly. [10] The beads found in Sub-Saharan Africa generally contained the following pigment sources: Red was achieved by adding small amounts of metallic copper.
Plate glass is often used in windows. Fragment of a Roman window glass plate dated to 1st to 4th century CE. Plate glass, flat glass or sheet glass is a type of glass, initially produced in plane form, commonly used for windows, glass doors, transparent walls, and windscreens. For modern architectural and automotive applications, the flat glass ...
Uranium (0.1 to 2%) can be added to give glass a fluorescent yellow or green color. [8] Uranium glass is typically not radioactive enough to be dangerous, but if ground into a powder, such as by polishing with sandpaper, and inhaled, it can be carcinogenic. When used with lead glass with very high proportion of lead, produces a deep red color.