
Up: Glassmaking

Flat Glass: 20 of 66
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The glass made at this factory was said to be superior to the
imported article and was well known among the trade of that time
as "Boston crown window glass."
Specimens of this old crown glass can be seen today in many of
the old Colonial houses in New England.
The use of glass for windows was by this
time becoming widespread. The American pioneers who pushed their
way across the western frontiers each carried a small four-paned
window, which the homestead law of the time required to be built
into every cabin.
This general use of glass was made possible
by better methods of manufacture. The casting process for making
flat glass never attained commercial possibilities. The first
real window glass was made by the blowing process and was known as
"crown glass".
This process consisted in gathering a
large globule of molten glass on the end of a blowpipe, the glass
then being blown into hollow
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