The Pennvernon Drawing Machine is a production line in one unit. A set of precision rolls support the glass vertically and draws upward and processes the film of glass which has been introduced by a bait. The bait removed, and the rolls keep the glass rolling upward to be cut to size.
This is one way they used to make window glass. Amazing!!!
On March 25, 1902, Irving W Colburn patented the sheet glass drawing machine, making the mass production of glass for windows possible.
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