After the final firing is the glazing process. The pieces of glass are joined by strips of lead which are soldered together. The production of stained glass has evolved over time. In the Middle Ages, ...

The identity of Ceeps remains a mystery. Experts from the University of Stirling, Heriot-Watt University in Edinburgh and ...

The glass was analysed and it was found to contain lead, potassium, arsenic and sulphur, materials used to make stained glass between the 1870s and 1930s. The Margaret Window was made in 1932 and ...

A stained-glass Tiffany window originally designed ... bidders spent six and a half minutes battling it out for the leaded glass window, which was expected to fetch between $5 million and $7 ...