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Bullseye Glass. 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.
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.
An oeil-de-boeuf (French: [œj.də.bœf]; English: "bull's eye"), also œil de bœuf and sometimes anglicized as ox-eye window, is a relatively small elliptical or circular window, typically for an upper storey, and sometimes set in a roof slope as a dormer, or above a door to let in natural light. Windows of this type are commonly found in the ...
Bull's-eye window. Bull's-eye window may refer to: Oeil-de-boeuf, an ornamental window with a circular frame. A window made from crown glass. Porthole, a circular nautical window. Oculus (architecture), a skylight at the top of a dome.
A spirit level, bubble level, or simply a level, is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). Two basic designs exist: tubular (or linear) and bull's eye (or circular). Different types of spirit levels may be used by carpenters, stonemasons, bricklayers, other building trades workers ...
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.
A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below. [1][2][3] For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks. Before electricity, light below a vessel's deck was provided by candles, oil and kerosene lamps —all dangerous ...
It has to be hit to crack the fabled Glass Ceiling, which has kept any woman from winning the presidency. ... Locked and loaded — the bullseye is in sight. Juan Williams is an author and a ...
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