What are the diamond shaped panes of glass in a leaded window called
Leadlight than square-cut straight-set panes, and it is accordingly more common. It was also convenient to cut diamond-shaped panes from a single "crown" of glass with less waste than that caused by cutting square panes. Square panes are most often found in the grander or later buildings, and sometimes only on ground floor windows. In grander houses, the windows often contain small painted panes or stained glass panels containing heraldic emblems and coats of arms. Some European churches also retain diaper glass of this period, some, like York Minster, with painted and fired quarries. During the 19th and early 20th century
Casement window Casement window A casement is a window that is attached to its frame by one or more hinges at the side. They are used singly or in pairs within a common frame, in which case they are hinged on the outside. Casement windows are often held open using a casement stay. Windows hinged at the top are referred to as awning windows, and ones hinged at the bottom are called hoppers. In the United Kingdom, casement windows were common before the sash window was introduced, and usually metal with leaded glass—glass panes held in place with strips of lead (called