Up: Glassmaking
Flat Glass: 22 of 66
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motion that cause the glass to flash outwardly into the form
of a disc, adhering to the punty by the boss in the center
(Fig. 4). The disc was removed from the punty, annealed in
an oven and then cut into small sheets. The centers of the
discs containing the bosses or "bull's-eyes" were used for
decorative effects and were employed largely in the sidelights
and transom lights of the Colonial doorways of New England.
This method of making flat glass was
obviously very expensive and wasteful and furthermore did not
make possible the production of anything but very small lights.
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