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Visions is a brand of transparent stove top cookware created by Corning France and introduced to Europe during the late 1970s. In 1983, it was introduced in the United States and became the number one selling cookware set for a number of years.
Example of a stirring rod. A glass stirring rod, glass rod, stirring rod or stir rod is a piece of laboratory equipment used to mix chemicals. They are usually made of solid glass, about the thickness and slightly longer than a drinking straw, [clarification needed] with rounded ends.
Older clear-glass Pyrex manufactured by Corning, Arc International's Pyrex products, and Pyrex laboratory glassware are made of borosilicate glass. According to the National Institute of Standards and Technology , borosilicate Pyrex is composed of (as percentage of weight): 4.0% boron , 54.0% oxygen , 2.8% sodium , 1.1% aluminum , 37.7% silicon ...
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 addition to about 75% SiO 2 and 8–12% B 2 O 3, these glasses contain up to 5% oxides of alkaline earth metal and alumina (Al 2 O 3). This is a subtype of slightly softer glasses, which have thermal expansions in the range (4.0–5.0) × 10 −6 K −1. [11] This is not to be confused with simple borosilicate glass-alumina composites. [12]
Lids Corp. was founded in Boston by Douglass Karp (son of real estate developer Stephen R. Karp) and Ben Fischman (son of real estate developer Steven Fischman) in 1993. [3] [4] Hat World, Inc. was founded in 1995 by George Berger, Glenn Campbell and Scott Molander, with its headquarters office in Sioux Falls, SD.
The Houmuwu Ding is the largest piece of bronze work found from the ancient world so far. It was made in the late Shang dynasty at Anyang. The most commonly believed bronze vessel casting process of ancient Chinese vessels is the piece mold process.
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