![]() Used to make a panel completely watertight once the window has been leaded together. The full-sized drawing of a stained- glass window which shows the exact size and shape of all the pieces of glass, their colour, the sizes of the lead and the support system required to glaze the window. Originally cast in moulds, in later times lead calmes have been extruded through a lead mill. It is composed of a central part, called the heart or core, with leaves or flanges that covering the edges of the glass. The thick knot of glass at the centre of the crown or blown sheet left by the blowing iron.Ĭame or Calme (from the Latin calamus, meaning reed)įrom the Latin calamus, meaning reed, H-shaped strips of lead used to assemble the pieces of glass. (See Glass below)Ī set of metal bars (wrought iron, aluminium, copper, brass) fixed into the masonry and designed to hold the panels of a stained-glass window.Ī broad, round or rectangular brush, traditionally made out of badger’s hair and used to spread the glass paint into an even matt. ![]() This is achieved today by using hydrofluoric acid. ![]() The process of removing the surface layer from flashed glass to expose the underlying glass.
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