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.

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Pyrex
Glass Dictionary Term

A type of borosilicate glass perfected in 1915 by W. C. Taylor and Eugene Sullivan of Corning Glass Works in Corning, New York. Pyrex rods can be used in flameworking. pirex pyrexes pirexes Engraved Pyrex Casserole with Lid and Holder

Punch bowl
Glass Dictionary Term

A bowl for mixing and serving punch. Traditionally, punch was composed of wines or liquors, mixed with hot water or milk, and flavored with sugar, lemons, or spices. Fruit punches, with or without alcohol, are also common. punch bowls punchbowl punchbowls Punch Bowl Set With 10 Cups

Pulegoso
Glass Dictionary Term

(Italian, from the dialect word pulega, “bubble”) Glass containing numerous bubbles of all sizes, produced by adding bicarbonate of soda, gasoline, or other substances to the melt. The bubbles make the glass semiopaque and give the surface an irregular texture. Pulegoso was developed by Napoleone

Sandblasting
Glass Dictionary Term

The process of removing glass or imparting a matte finish by bombardment with fine grains of sand that are propelled by compressed air. sandblast sandblasts sandblasted Cityscape

Satin glass
Glass Dictionary Term

A 19th-century term for glass with a matte finish. satin glasses satin-glass Fairy Lamp

Scale
Glass Dictionary Term

An accidental inclusion in glass, consisting of corrosion products detached from the metal implements used to stir the batch or to form the object. scales

Scarab
Glass Dictionary Term

(from Latin scarabaeus, “beetle”) (1) A beetle, usually the scarabaeid beetle, which was revered by the ancient Egyptians; hence (2) a gem in the form of a beetle, with a design in intaglio on the flat underside. scarabs

Scheuer
Glass Dictionary Term

(German) A type of drinking glass with a short cylindrical neck, a hemispherical body, and a single handle that projects outward and upward from the wall. scheuers schuer schuers

Schmelzglas
Glass Dictionary Term

(German, “enamel glass”) A term applied to several types of decorative glassware, including calcedonio and opaque white glass with a red overlay applied by flashing. It does not refer to glass decorated with enamel. schmelzglases schmelzglass schmelz glass

Schwarzlot
Glass Dictionary Term

(German, “black lead”) A sepia enamel first used in painting stained glass and later applied to glass vessels, either by itself or in combination with other enamels or gold. schwarzlots Schwarzlot Tumbler

Scyphus
Glass Dictionary Term

A cup with a foot and two opposed handles. scyphuses scyphi

Seal
Glass Dictionary Term

Its many meanings include an emblem impressed on wax or some other plastic substance as evidence of ownership or authenticity. Since the 17th century, many bottles have borne stamped glass seals that identify the producer of the contents, the tavern in which they were used, or the individual for

Service
Glass Dictionary Term

A matching set of tableware. services Tableware Set of 9 Blown Vessels

Shears
Glass Dictionary Term

A tool used to trim excess hot glass from an object in the course of production. Many modern shears are embedded with chips of industrial diamonds. sheers

Shot glass
Glass Dictionary Term

A small drinking glass used to serve a single measure (shot) of liquor, usually whiskey. shot glasses shot-glass Tortoise Old-Fashioned

Sidonian glass
Glass Dictionary Term

A popular generic name for numerous first-century A.D. Roman mold-blown vessels. It is not known how many of these objects were actually made at Sidon, a city on the coast of Lebanon. Sidonian glasses Beaker

Silica
Glass Dictionary Term

Silicon dioxide, a mineral that is the main ingredient of glass. The most common form of silica used in glassmaking has always been sand. silicas

Silver stain
Glass Dictionary Term

A deep yellow stain made by painting the surface of the glass with silver nitrate or similar compounds and firing it at a relatively low temperature. silver stains silver stained silver-stained silver-stain Panel Depicting St. Michael Slaying Lucifer

Silvered glass
Glass Dictionary Term

A type of 19th-century glassware with an allover silver appearance, made by applying a solution of silver nitrate between the walls of a double-walled vessel. The solution was introduced through a hole in the base, which was then sealed to prevent the silver from oxidizing. Silvered glass is

Sintering
Glass Dictionary Term

The process of heating a mixture of materials so that they become a coherent mass, but not melting them. sinter sinterings cintering Frit

Size
Glass Dictionary Term

In glassworking, the name applied to several glutinous materials, such as glue and resin, used to affix color or gold leaf. sizes

Skyphos
Glass Dictionary Term

A cup with a foot and two opposed handles. skyphos skyphoses skyphi Skyphos

Smalt
Glass Dictionary Term

Colored glass, often deep blue glass colored with cobalt oxide. Smalts are finely ground to use as colorants for glass and enamel. smalts

Snake-thread decoration
Glass Dictionary Term

A type of decoration that consists of trails applied in sinuous patterns. It was made by the Romans between the second and fourth centuries A.D. snake-thread decorations snake-thread-decoration snake thread decoration snake thread decorations Goblet with Snake-Thread Decoration

Soda
Glass Dictionary Term

Sodium carbonate. Soda (or alternatively potash) is commonly used as the alkali ingredient of glass. It serves as a flux to reduce the fusion point of the silica when the batch is melted. sodas

Soda-lime glass
Glass Dictionary Term

Historically, the most common form of glass. It contains three major compounds in varying proportions, but usually silica (about 60-75 percent), soda (12-18 percent), and lime (5-12 percent). Soda-lime glasses are relatively light, and upon heating, they remain plastic and workable over a wide

Soffietta
Glass Dictionary Term

(Italian) A tool used as a puffer to further inflate a vessel after it has been removed from the blowpipe and is attached to the pontil. It consists of a curved metal tube attached to a conical nozzle. The glassblower reheats the vessel, inserts the nozzle into its mouth so that the aperture is

Lip wrap
Glass Dictionary Term

A trail, usually of a contrasting color, wrapped around the edge of the rim. It is also known as an edge wrap. lip wraps Cadmium Yellow Macchia with Cobalt Blue Lip Wrap

Lotus-bud beaker
Glass Dictionary Term

A first-century A.D. Roman mold-blown vessel decorated with rows of oval or almondshaped bulges. Although the bulges are usually described as lotus buds, they are probably derived from representations of knotholes in the club of the mythical hero Hercules. Lotus-bud beakers Lotus bud beaker Lotus

Mandrel
Glass Dictionary Term

In glassworking, (1) a lathe shaft with a hollow end, designed to receive spindles; (2) a metal rod around which beads and other small objects can be formed. mandrels mandral mandrals mandrel-wound mandrel-work

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