Glass history
Mirrors and glass, two different things fit together, would lead to wonderful effect.
Usually consists of a mirror smooth surface, flat polished glass, it can pass the light emission principle reflected in the mirror image of a predecessor or. mirrors are an integral part of human daily utensils, widely used in all aspects of life, is a useful good helper in life and work.
Glass and mirrorVenetians invented is more than 600 years ago. First glass mirrors are usually transparent or colored glass substrate coated with a layer of metal, at first the glass coating is a mixture of Tin and mercury, Low production efficiency of the mercury mirror and the mirror is not too bright, mercury vapor is the most important of toxic, harmful to humans. 1843, Germany scientists developed methods of making glass mirrors by electroless silver plating process, creating a new era of business mirror. In the 1970 of the 20th century, scientists invented the aluminum mirror, aluminized glass mirror, silvered glass mirrors is cheap, durable, and more radiant.
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