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Cut glass wine glass made of lead glass. Lead glass, commonly called crystal, is a variety of glass in which lead replaces the calcium content of a typical potash glass. [1] Lead glass contains typically 18–40% (by mass) lead(II) oxide (PbO), while modern lead crystal, historically also known as flint glass due to the original silica source, contains a minimum of 24% PbO. [2]
Leadlights, leaded lights or leaded windows are decorative windows made of small sections of glass supported in lead cames. The technique of creating windows using glass and lead came to be known as came glasswork .
Came glasswork includes assembling pieces of cut and possibly painted glass using came sections. The joints where the came meet are soldered to bind the sections. When all of the glass pieces have been put within came and a border put around the entire work, pieces are cemented and supported as needed. [1]
Leaded glass may refer to: Lead glass , potassium silicate glass which has been impregnated with a small amount of lead oxide in its fabrication Lead came glasswork , glass panels made by combining multiple small pieces of glass, which may be stained, textured or beveled, with cames or copper foil
The channel runs the length of the came. H-shaped came has 2 back-to-back channels that hold adjoining glass pieces in position on the interior of a stained glass panel. It can also be used as a border came in certain situations. U-shaped came has only one channel and is used as a border around the perimeter of panels.
A beveled glass mirror, ca. 1910. Beveled glass is usually made by taking thick glass and creating an angled surface cut around the entire periphery. [1] Bevels act as prisms in sunlight creating an interesting color refraction which both highlights the glass work and provides a spectrum of colors which would ordinarily be absent in clear float glass.
An achromatic doublet, which combines crown glass and flint glass. A concave lens of flint glass is commonly combined with a convex lens of crown glass to produce an achromatic doublet lens because of their compensating optical properties , which reduces chromatic aberration (colour defects).
Large 18th-century Rococo pier glass in the Amalienburg Pavilion, Schloss Nymphenburg. A trumeau mirror is a type of wall mirror originally manufactured in France in the later 18th century. It takes its name from the French word trumeau, which designates the space between windows. Such a mirror, usually rectangular, could also hang above an ...