1. This article is primarily organized around the history of glass-making.
2. What is the meaning of the word "motifs?" B. figures
3. An antique dealer recently discovered a replica of the Portland Vase. In attempting to determine the age of the glass, she will have to begin considering dates as far back as the first century AD.
4. No one for sure knows who made the first piece of glass but the earliest known instance of man-made glass is around 4,000 B.C. The evolution of glass making over the years have led to significant advances in technology. High quality glass products have led to the invention of mirrors, lenses, glasses, microscopes, and telescopes.
5. According to the text, "the manufacturing of glass by using the blowing iron and the bottle machine allowed for larger sizes of glass bottles to be made." This large step in history began with the Greeks in around 300 B.C. In the 1600's George Ravenscroft created a new recipe for even larger glass products which eventually led to the invention of mirrors and in the development of telescopes.
