Glass: A Pocket Dictionary Of Terms Commonly Used - Corning ...

mechanized in the United states between 1820 and
1830.
Prince Rupert’s drop: A solid, hollow glass object, about
two inches long, with a bulbous end and a narrow, curving
“tail.” it is made by dropping a blob of hot glass into
cold water and leaving it there until it has cooled. The
rounded end resists a blow, but because of internal
stress due to the absence of annealing, the tail shatters
into numerous fragments if it is broken or scratched.
These objects, which have aroused great curiosity, were
introduced into England by Prince rupert (1619–1682),
nephew of Charles ii. samuel Pepys described them in
his diary on January 13, 1662.
Printy, printie: A circular or oval wheel-cut depression.
Prismatic cutting: A decorative pattern of long, mitered
grooves, cut horizontally in straight lines so that the top
edges of each groove touch the edges of the adjoining
grooves. Prismatic cutting is usually found on the necks
of pitchers and decanters.
Prunt: A blob of glass applied to a glass object primarily
as decoration, but also to afford a firm grip in the absence
of a handle.
Pressed glass fruit basket. U.S., Boston
and Sandwich Glass Company, 1845–
1860. H. 21.2 cm.
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