Up: Glassmaking
Stories of Industry
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He now blows down the rod, keeping it turning
at the same time, and expands the glass into a small globe.
FLATTENING THE GLASS.
Again it is heated, and again blown into a still larger globe. On
the next page we see the different stages of blowing and heating from
a solid mass to a flattened pane of glass.
All this work must be done with great care,
for badly prepared window-glass will lose its transparency on being
exposed to
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