Charles Hercules Read,
1911 Encyclopædia Britannica, Volume 8…
(1911)
“ Other types are perhaps nearly as characteristic, though of simpler construction. One of these is a simple cone of glass, sometimes quite plain, at others ornamented with an applied spiral glass thread, or more rarely with festoons of white glass embedded in the body of the vessel. A third form is a plain cup or bowl widely expanded at the mouth and with a rounded base, so that it could only be set down when empty, in fact a true “tumbler.” This feature is in fact a very common one in the drinking vessels of the Saxon race. ”
