All About Glass

All About Glass

This is your resource for exploring various topics in glass: delve deeper  with this collection of articles, multimedia, and virtual books all about glass. Content is frequently added to the area, so check back for new items. If you have a topic you'd like to see covered, send us your suggestion. If you have a specific question, Ask a Librarian at our Rakow Research Library.

Pages

Palm cup
Glass Dictionary Term

A shallow drinking vessel with a round base that fits in the palm of the hand. palm cups Palm Cup

Pane
Glass Dictionary Term

A piece of flat sheet glass used for glazing windows. panes pane-glass pane glass Crown glass Cylinder glass

Paperweight
Glass Dictionary Term

A small, heavy object designed to hold down loose papers. The first glass paperweights were made in the early 1840s in Venice and France, and their manufacture spread rapidly to other parts of Europe and the United States. Glass paperweights ceased to be fashionable in the early 20th century, but

Parcioffi
Glass Dictionary Term

(Italian) Jacks with blades made of wood. Parcioffis Parchioffi

Parison
Glass Dictionary Term

(from French paraison) A gather, on the end of a blowpipe, that is already partly inflated. parisons

Passglas
Glass Dictionary Term

(German, “pass glass”) A tall cylindrical drinking vessel with trailed or enameled horizontal marks. The drinker was supposed to gulp only enough to reach the next horizontal mark, and then pass the glass to the next person. If he drank too much, he was required to reach the next mark, and so on.

Pâte de verre
Glass Dictionary Term

(French, “glass paste”) A material produced by grinding glass into a fine powder, adding a binder to create a paste, and adding a fluxing medium to facilitate melting. The paste is brushed or tamped into a mold, dried, and fused by firing. After annealing, the object is removed from the mold and

Patella cup
Glass Dictionary Term

(from Latin patella, “small dish; kneecap”) A first-century A.D. Roman drinking cup with a doubleconvex profile and a foot-ring. patella cups Large Patella Cup

Pattern-molded glass
Glass Dictionary Term

Glassware that has been blown into a mold whose interior has a raised pattern so that the object shows the pattern with a concavity on the inside, underlying the convexity on the outside. Pattern molds are not used to impart the final form to the object. pattern molded glass pattern mold glass

Peachblow
Glass Dictionary Term

A type of Art Glass made by several American factories in the late 19th century. It resembled the peach bloom glaze on 17thto 18th-century Chinese porcelain such as the celebrated Morgan Vase. Most Peachblow glass had a surface that shaded from opaque cream to pink or red, sometimes over opaque

Pegging
Glass Dictionary Term

The process of pricking molten glass with a tool that leaves small, air-filled hollows. When the glass is covered with a second gather, the hollows become air traps. This technique is used to decorate knops and paperweights. peggings

Pezzato
Glass Dictionary Term

(Italian, “dappled”) A type of decorated glass developed in 1950-1951 by Fulvio Bianconi (1915-1996) for Venini & C. of Murano. The object is covered with a patchwork of rectangles of different colors, created by placing sections of flattened canes side by side on a metal plate, heating the

Phiale
Glass Dictionary Term

(from Greek phiale, “bowl” or “pan”) A broad, flat bowl for drinking or pouring libations. phiales fiale fiales Bowl

Pick-up decoration
Glass Dictionary Term

A technique whereby a hot parison is rolled in chips of glass, which are picked up, marvered, and inflated. pick-up decorations pick up decorations pick up decorations Navajo Blanket Cylinder (Zig-Zag with Horse Drawing)

Piece mold
Glass Dictionary Term

A mold made of two or more parts. piece molds piece-mold piece-molds

Piggin
Glass Dictionary Term

A small cylindrical drinking vessel, often of wood, with one stave longer than the rest and serving as a handle. piggins

Pilgrim flask
Glass Dictionary Term

A flat flask with a ring on each side of the neck for the insertion of cords by which it can be suspended. pilgrim flasks Pilgrim Flask

Pillar-molded glass
Glass Dictionary Term

A term used by 19th-century English glassmakers to describe vessels with mold-blown vertical ribs but no corresponding indentations on the interior. This effect was achieved by partly inflating the gather, allowing it to cool sufficiently to become somewhat rigid, and then gathering an outer layer

Plaque
Glass Dictionary Term

An ornamental plate or tablet intended to be hung up as a wall decoration or inserted in a piece of furniture. plaques Archangel Uriel

Plate glass
Glass Dictionary Term

Flat glass of high quality, formed by rolling molten glass on a metal plate and later grinding and polishing it until the surfaces are parallel and completely smooth. plate glasses

Pokal
Glass Dictionary Term

(German) A covered goblet with a flared bowl, made mostly in Germany between the 17th and 19th centuries, and used for drinking toasts. pokals pokel pokels Pokal with Cover

Polishing
Glass Dictionary Term

Smoothing the surface of an object when it is cold by holding it against a rotating wheel fed with a fine abrasive such as pumice or cerium oxide. Glass can also be polished with hand-held tools. polishes polished polish

Polycandelon
Glass Dictionary Term

(from Greek polykandelon) A lighting fixture consisting of a metal ring with apertures to hold cone-shaped lamps, suspended by three chains. Polycandelons Polycandelon with 3 Lamps

Porringer
Glass Dictionary Term

A shallow dish, usually with one or two horizontal handles, for porridge or similar food. Porridge is either a soft food made by boiling meal of cereals or legumes in milk or water until it becomes thick, or a soup of meat and vegetables, often thickened with cereal. Porringers Porringer and Plate

Porrón
Glass Dictionary Term

(Spanish) A type of drinking vessel with a narrow neck, a long and tapering spout, and no handle, used in Spain for drinking wine by pouring it into the mouth. Porróns Porron poron porrons porons Drinking Vessel (Porron)

Posset pot
Glass Dictionary Term

A spouted vessel used for consuming posset, a beverage of hot milk curdled by wine or ale, usually spiced or sweetened, and thickened with oatmeal or bread. The drinker sucked the liquid through the spout and ate the residue with a spoon. posset pots Posset Pot with Raven's Head Seal

Post
Glass Dictionary Term

The glass used to attach a second pontil to glass that is about to be pulled into a cane. posts

Post technique
Glass Dictionary Term

Instead of being applied to a vessel with a wad, the pontil is attached to a flat plate of glass called a “post,” which is then affixed to the base or footring of the vessel. post-technique

Pot
Glass Dictionary Term

A fire-clay container in which batch is fused and kept molten. The glassworker gathers glass directly from the pot. pots

Preserving jar
Glass Dictionary Term

A jar for preserving food. The term refers to jars with a variety of methods for sealing the contents. John Landis Mason perfected the first inexpensive method of sealing glass jars in 1858. preserving jars Preserving Jar

Pages