lead glass


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lead glass

[′led ¦glas]
(materials)
Glass into which lead oxide is incorporated to give high refractive index, optical dispersion, and surface brilliance; used in optical glass.
References in periodicals archive ?
To identify barium glass with EDXRF spectroscopy, caution is required since Ba may not be detected using standard analytical conditions for lead glass; a higher-energy setting is necessary to properly identify Ba.
Ron Helsby, executive director of the museum, left, and Chris Atkins, of contractor Mott MacDonald Code: hd090409glass-2 One of the four chandeliers from Manchester Airport, now on display at The World of Glass museum, in St Helens Pictures: HOWARD DAVIES/ Some of the 1,300 droplets of lead glass in the chandelier Code: hd090409glass-5
Our observations confirmed that this parcel consisted entirely of natural corundum that was filled with colourless lead glass. The starting material used for the treatment probably consisted of pale yellow material of very poor transparency.
A famous English example from the 1670s, made by the glassmaker credited with the invention of British lead glass, George Ravenscroft, can be seen in the Victoria and Albert Museum.
A typical example is the raven's head seal which George Ravenscroft was permitted to use in 1677,perhaps in recognition for his work in developing the production of lead glass.
Accommodation:entrance lobby with original mosaic tiled floor and lead glass window.
The front door has lead glass panels and a traditional entry vestibule.