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Forensic glass analysis is the application and analysis of glass to determine details about a crime. Glass evidence comes in many forms in various types of criminal cases. Glass can be analyzed to understand its origin using comparative analysis which may include measurements relating to physical match, refractive index, density and elemental analysi
The millefiori technique involves the production of glass canes or rods, known as murrine, with multicolored patterns which are viewable only from the cut ends of the cane. [2] [9] A murrine rod is heated in a furnace and pulled until thin while still maintaining the cross section's design. It is then cut into beads or discs when cooled. [2] [9]
The Baroque glass pattern was made by Fostoria from 1937 to 1965, and used for stemware and many types of tableware. [74] The Chintz pattern was made from 1940 to 1973. This etching pattern is a drawing of branches leaves and flowers, and was usually on the Baroque glass pattern. [75] The Colony pattern discussed earlier was introduced around ...
Highest listing price on eBay: $750. Hazel Atlas Blue Royal Lace stands out among Depression glass patterns, prized for its intricate design and vibrant cobalt blue hue. Produced between 1934 and ...
Glass databases are a collection of glass compositions, glass properties, glass models, associated trademark names, patents etc. These data were collected from publications in scientific papers and patents, from personal communication with scientists and engineers, and other relevant sources.
The pattern is impressed upon the sheet by a printing roller which is brought down upon the glass as it leaves the main rolls while still soft. This glass shows a pattern in high relief. The glass is then annealed in a lehr. The glass used for this purpose is typically whiter in colour than the clear glasses used for other applications.
Glass thicknesses typically range from 1.8 to 2.5 millimetres (0.071 to 0.098 in). Clear glass has light transmission of approximately 90%, absorption of approximately 2%, and reflection of approximately 8%. Whereas absorption can be reduced by using low-iron glass, reflection can only be reduced by an anti-reflective surface treatment.
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