Float glass
Videos
Float glass is a sheet of glass made by floating molten glass on a bed of molten metal of a low melting point, typically tin, although lead was used for the process in the past. This method gives the
Use of float glass at Crystal Palace railway station, London
Old window containing a single sheet of float glass in the upper left section, Jena, Germany. The remaining sections are possibly not float glass as indicated by the distorted reflections of a tree.
Float glass line
A float glass light fitting. Ordinary float glass is green in thicker sheets due to Fe2+ impurities.
Crown glass (window)
Videos
Crown glass is a type of hand-blown glass that was used in windows prior to the development of sheet window glass production.
Float glass
…produced using the float glass process. Until the 16th century, window glass or other flat glass was generally cut from large discs (or rondels) of crown glass. Larger sheets of glass were made by blowing large cylinders which were cut open and flattened, then cut into panes. Most window glass in the early…
Crown glass