Raw Materials of Glass
114.5 هزار بار بازدید -
17 سال پیش
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See and understand the magical
See and understand the magical process of making glass from simple materials, by using great heat. Until the most recent times, glassmaking was a closely guarded secret passed on within workshops or even within families, from one generation to the next, often over hundreds of years.
http://www.cmog.org/
http://www.cmog.org/
17 سال پیش
در تاریخ 1386/06/01 منتشر شده
است.
114,559
بـار بازدید شده