BOUT 1896 J. H. Lubbers,
a window glass flattener by trade, began experimenting on a machine
wherein the air was mechanically introduced into the blowpipe while the
pipe was raised on guides during the formation of the cylinder. The
process looked very simple but it took years of effort and several
million dollars to bring this machine cylinder process to the point where
it is today.
While this method is a step in advance of the
hand process, as it eliminates the arduous work of the gatherer, the
blower and the snapper, makes better and cheaper glass and produces
larger sheets, the product is still
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