glass maker taking hot glass from the furnace - glass blowing class stock videos & royalty-free footage00:13Glass Maker Taking Hot Glass From The FurnaceFurnace, Factory
male glass artist gives a young woman a lesson on glass blowing - glass blowing class stock videos & royalty-free footage00:29Male glass Artist gives a young woman a lesson on glass blowing
male glass artist gives a woman a lesson on glass working - glass blowing class stock videos & royalty-free footage00:28Male glass Artist gives a woman a lesson on glass working
teacher demonstrates how to blow glass during a science lesson. 1958. - glass blowing class stock videos & royalty-free footage00:05A teacher demonstrates how to blow glass during a science lesson. 1958.