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
The front door has lead glass
panels and a traditional entry vestibule.