Form of glass made by pressing molten glass into a mold using a plunger
Pressed glass drinking glasses from the early 20th centuryArt Deco glass with pressed glass foot, 1920s
Pressed glass (orpattern glass)[1] is a form ofglass made by pressing molten glass into amold using aplunger.[2] Although hand pressed glass has existed for over 1,000 years, the use of a machine for pressing was first patented by Pittsburgh glass manJohn P. Bakewell in 1825 to make knobs for furniture.
The technique was developed in theUnited States from the 1820s and inEurope, particularlyFrance,Bohemia, andSweden from the 1830s. By the mid-19th century, most inexpensive mass-producedglassware was pressed (1850–1910).[1] One type of pressed glass iscarnival glass.[3] Painted pressed glass produced in the early 20th century is often calledgoofus glass.[citation needed] The method is also used to makebeads.[4]
^ab[1]"pressed glass".www.britannica.com. Encyclopaedia Britannica Inc. July 20, 1998. RetrievedMarch 3, 2022.pressed glass, glassware produced by mechanically pressing molten glass into a plain or engraved mold by means of a plunger
