Serafina came back, bringing two heavy tumblers of pressed glass on a little black japanned tray, with a decanter of cold water.
But this is imitated in pressed glass, which is blown in a mould inside of which the design is cut.
American writers claim that the first pressed glass tumbler was made about 40 years back in that country, by a carpenter.
In pressed glass the exterior surface is modelled by the mould, whilst the interior surface is modelled by the plunger (fig. 20).
In the table decorations cut or pressed glass should be prominent.
They were rarely of cut or colored glass, but were pressed glass of commonplace form and quality.