Up: Glassmaking
Flat Glass: 54 of 66
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or refined, preparatory to entering the shallow drawing pot from which
the sheet is drawn.
This pot or pan is suitably placed in a pot
chamber and supported upon silica brick stools. By means of heat applied
underneath and around the edges of the pot, the temperature of the glass
is carefully maintained at the proper degree of heat for the ultimate
formation of the sheet.
To start the drawing of the sheet, the machine
is placed in reverse motion, which allows a bait to be introduced into
the drawing pot containing the molten glass. The bait is a simple affair
consisting of a flat iron bar three inches wide and about six feet long,
attached to strips of flexible metal that allow the bait to pass over
the bending roll, down into the glass. The molten glass immediately
adheres to this bar. Then the machine is placed in forward motion,
thus pulling the bait with its adhering mass of plastic glass over the
bending roll onto the horizontal flattening table and
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