spherical shapes (Figs. 1 and 2). Next a punty or iron rod,
tipped with molten glass, was applied to the opposite side
of the sphere and
FOUR STAGES OF MAKING "CROWN GLASS".
the blowpipe was detached, thus leaving a hole (Fig. 3).
The globe attached to the punty was
then reheated and the punty given a whirling