The term Forest glass or the German name Waldglas is given to late Medieval glass produced in North-Western Europe from about 1000-1700 AD using wood ash and sand as the main raw materials and made in factories known as glass-houses in forest areas. It is characterised by a variety of greenish-yellow colours, the earlier products being often of crude design and poor quality, and was used mainly for everyday vessels and increasingly for ecclesiastical stained glass windows. Its composition and manufacture contrast sharply with Roman and pre-Roman glass making centred around the Mediterranean and contemporaneous Islamic glass making to the east.
Read more about Forest Glass: History, Glassmaking, The Chemistry of ‘forest Glass’, Comparative Compostitions, Control of Colour, Operation of The Glass House, Furnace Design, Location of Glass Houses, Topics For Further Work
Famous quotes containing the words forest and/or glass:
“I perceive that in these woods the earliest settlements are, for various reasons, clustering about the lakes, but partly, I think, for the sake of the neighborhood as the oldest clearings. They are forest schools already established,—great centres of light.”
—Henry David Thoreau (1817–1862)
“Sunshine of late afternoon—
On the glass tray
a glass pitcher, the tumbler
turned down, by which
a key is lying—And the
immaculate white bed”
—William Carlos Williams (1883–1963)