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Old window containing a single sheet of float glass in the upper left section, Jena, Germany. The remaining sections are possibly not float glass as indicated by the distorted reflections of a tree. Until the 16th century, window glass or other flat glass was generally cut from large discs (or rondels) of crown glass.
A glass bottle fragment from Büklükale, in central Turkey, is estimated to be around 1600 BC old. This may represent the oldest glass work in Anatolia. The fragment is from the Hittite Empire period. It is unusually large compared to other glass bottles from Mesopotamia at the time.
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 ...
Container glass has a lower magnesium oxide and sodium oxide content than flat glass, and a higher silica, calcium oxide, and aluminium oxide content. [134] Its higher content of water-insoluble oxides imparts slightly higher chemical durability against water, which is advantageous for storing beverages and food. Glass packaging is sustainable ...
A formative failure. But it hasn’t all been smooth sailing for the 6-foot-7, 65-year-old Corning CEO. In the 1990s, Weeks was the Corning vice president tapped to run a new optical fiber ...
Crown glass. Crown glass was an early type of window glass. In this process, glass was blown into a "crown" or hollow globe. This was then transferred from the blowpipe to a punty and then flattened by reheating and spinning out the bowl-shaped piece of glass (bullion) into a flat disk by centrifugal force, up to 5 or 6 feet (1.5 to 1.8 metres) in diameter.
The uneven surface of old glass is visible in the reflection on this window pane. Drawn Sheet glass was made by dipping a leader into a vat of molten glass then pulling that leader straight up while a film of glass hardened just out of the vat – this is known as the Fourcault process. This film or ribbon was pulled up continuously held by ...
Produced from 1930 to 1934, Hocking Cameo Depression glass features intricate scrollwork. The combination of soft, frosted designs and smooth, clear glass gives Cameo a sophisticated, ethereal ...
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