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Pyrex made its public debut in 1915 during World War I, positioned as an American-produced alternative to Duran. A Corning executive gave the following account of the etymology of the name "Pyrex": The word PYREX is probably a purely arbitrary word which was devised in 1915 as a trade-mark for products manufactured and sold by Corning Glass Works.
The lids of CorningWare are typically made of Pyrex. Though some early lids were made of Pyroceram, most subsequent covers have been made of borosilicate or tempered soda-lime glass. Unlike the cookware, these lids have a lower tolerance for thermal shock and cannot be used under direct heat.
In 1915, Corning created an improved heat resistant glass formula and launched Pyrex, the first-ever consumer cooking products made with temperature-resistant glass, in 1915. [ 13 ] The California Institute of Technology 's 200-inch (5.1 m) telescope mirror at Palomar Observatory was cast by Corning during 1934–1936, out of low expansion ...
Visions is made of a transparent version of Pyroceram glass-ceramic, occasionally referred to as Calexium. However, its lids have typically been made out of Pyrex (both Borosilicate and Soda-lime glass) in the US and Asia. Originally introduced in an amber color, a cranberry tinted version was available from 1992 until 2004.
Not Really Made in USA. Pyrex is in a lot of hot water — pun intended. Instant Brands, the maker of heat-safe Pyrex glass cookware and measuring cups, misrepresented where one of its products ...
TODAY reports that opaque, brightly colored pieces that feature floral and geometric designs tend to resell for the highest price. Pyrex products made between 1915 and the late 1970s are ...
The De Virga world map was made by Albertinus de Virga between 1411 and 1415. Albertin de Virga, a Venetian, is also known for a 1409 map of the Mediterranean, also made in Venice. The world map is circular, drawn on a piece of parchment 69.6 cm × 44 cm (27.4 in × 17.3 in). It consists of the map itself, about 44 cm (17 in) in diameter, and ...
The site of Kopia, in Uttar Pradesh, is the first site in India to locally manufacture glass, with items dating between the 7th century BCE to the 2nd century CE. [27] Early Indian glass of this period was likely made locally, as they differ significantly in chemical composition when compared to Babylonian, Roman and Chinese glass. [26]