Note 235 — XX
Reading edition
Glass mirrors, almost unknown in the fourteenth century, were regarded as novelties in the fifteenth. It seems that they were first made in Germany. Winaricky lays great stress on the fact that the Bohemians were the earliest and the most skillful workers in glass, and that they also excelled as lapidaries and metallurgists. He says, but without proof, that the art of polishing stones and making mirrors was acquired by Gutenberg in Bohemia. The learned Beckmann says that