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Bullseye Glass is a glass manufacturer in Brooklyn, Portland, Oregon, in the United States. [1] [2] The company is a significant supplier of raw art glass for fused glass makers. [3] According to Art Glass Magazine, production controls at Bullseye's U.S. plant is more consistent than imported products, allowing it to fuse reliably. [4]
Crown glass is a type of optical glass used in lenses and other optical components. It has relatively low refractive index (≈1.52) and low dispersion (with Abbe numbers between 50 and 85). Crown glass is produced from alkali-lime silicates containing approximately 10% potassium oxide and is one of the earliest low dispersion glasses .
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.
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Bullseye Glass, an American company; Fresnel lens This page was last edited on 9 September 2022, at 12:48 (UTC). Text is available under the Creative Commons ...
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Some damages are very difficult to repair, or cannot be repaired: on inside of the windshield; deep damage on both layers of glass due to solar absorption or oxidation. damage over rain sensor or internal radio antenna; complex multiple cracks; very long cracks (i.e. over 45–60 cm or 18–24 inches long) contaminated cracks; edge cracks