FIG. 22

FIG. 22. The process of forming the upper half of a beaker using both jacks and the soffietta (shown in Figures 22–29) begins with forming the lower half of the vessel, attaching it to a pontil, and removing it from the blowpipe.
FIG. 22

The process of forming the upper half of a beaker using both jacks and the soffietta (shown in Figures 22–29) begins with forming the lower half of a vessel like the Aldrevandin Beaker, attaching it to a pontil, and removing it from the blowpipe.