1 century, large mirrors that can reflect the whole body began to appear; What was popular in the Middle Ages was a small portable mirror with a comb in an ivory or precious metal box. From the end of 12 to the beginning of 13, glass mirrors with silver back or iron back appeared; During the Renaissance, Venice was the center of mirror making, and the mirrors produced were famous for their high quality.
/kloc-in the 6th century, the cylinder method was invented to make flat glass, and at the same time, the tin amalgam method was invented to attach tin foil to glass with mercury, and the number of metal mirrors gradually decreased. /kloc-in the second half of the 0/7th century, French inventors made flat glass by casting, and made large glass mirrors with high quality. Mirrors and their frames are increasingly becoming interior decoration. /kloc-A big mirror was made at the end of 0/8, which was used in furniture. Although the tin amalgam method is harmful to human body, it has been continuously applied to19th century. 1835, the German chemist J.von Leibiger invented the chemical silver plating method, which made the application of glass mirrors more popular.
The Modern Significance of Mirror
Mirrors and scales are tools to measure a woman's figure. For example, when a woman weighs herself with a scale, she knows whether she is fat or thin. However, as women's cognition of beauty becomes more intuitive and concrete, mirrors gradually replace the role of scale here. Therefore, "replacing the scales at home with mirrors" is the slogan for more women to test their beauty.