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 Glass Question at our Rakow Research Library.

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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

Scavo
Glass Dictionary Term

(Italian, “excavation”) A technique involving the application, to the surface of an object, of substances that, when heated to about 1470°F (800°C), fuse and create an effect similar to weathering, thereby imitating glass from an archeological excavation.

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

Römer
Glass Dictionary Term

A drinking vessel for wine or beer. It has an ovoid mouth, a cylindrical body, and a conical foot. The body is usually decorated with prunts. romer romers roemers roemer Roemer with a Hunting Scene

Rotary polishing
Glass Dictionary Term

The process of polishing an object with tools and an abrasive while turning it on a lathe. rotary-polishing rotary-polish rotary polish rotary polished rotary-polished

Rummer
Glass Dictionary Term

A type of 19th-century English goblet, with a short stem and a square or domed foot. rummers rumer rumers Rummer

Salt
Glass Dictionary Term

(from French salière, “salt dish”) A small bowl used at the table for salt. salts saltcellar saltcellars salt cellar salt cellars salt-cellar saltceller Green Salt Dish

Salver
Glass Dictionary Term

A tray for serving. At first, salvers were used primarily for presenting objects to rulers. More recently, the word is used to denote trays used for presenting letters or visiting cards, or for serving refreshments. salvers Salver Pressed in "Sharp Diamond" Pattern

Sand
Glass Dictionary Term

The most common form of silica used in making glass. It is collected from the seashore or, preferably, from deposits that have fewer impurities. For most present-day glassmaking, sand must have a low iron content. Before being used in a batch, it is thoroughly washed, heated to remove carbonaceous

Sand casting
Glass Dictionary Term

A forming technique in which molten glass is poured or ladled into a mold of compacted sand. A rough-textured granular surface results where the glass comes into contact with the sand. sand casted sand-casting sand casts sand cast sand molding sand mold sand molded sand-molded sand-molding Cargo

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

Sand-core technique
Glass Dictionary Term

A misnomer for core forming. sand-core techniques sand-core-technique sand core technique

Satin glass
Glass Dictionary Term

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

Rhyton
Glass Dictionary Term

(from Greek) A drinking vessel used in many parts of the ancient world. Most ancient glass rhytons are of the Roman period. They are in the form of a horn, sometimes with the head of an animal at the tip. The tip is perforated, and one drank from it by holding the rhyton above one’s head and

Ribbed bowl
Glass Dictionary Term

An ancient Roman vessel decorated with a continuous band of vertical ribs. ribbed-bowl ribbed bowls ribbed-bowls Ribbed Bowl

Ribbon glass
Glass Dictionary Term

(1) A type of first-century A.D. Roman mosaic glass that consists of ribbonlike canes arranged in parallel rows or geometric patterns; (2) a type of vetro a reticello made in Venice and at other places where façon de Venise glass was produced. ribbon-glass ribbon glasses ribbon-glasses Ribbon Glass

Rigaree
Glass Dictionary Term

A raised band or pattern of bands, usually made by crimping applied trails. rigarees rigeree rigerees Bank with 1839 U.S. Half Dime in Stem

Rock crystal
Glass Dictionary Term

Quartz (chemically pure silicon dioxide), which is usually colorless. From earliest times, glassmakers sought to imitate it. rock-crystal rock crystals rock-crystals rock cristal

Rock-crystal engraving
Glass Dictionary Term

A style of copper-wheel engraving that, combined with polishing, gave glass objects the appearance of rock crystal. The style was introduced by Thomas Webb & Sons of England in the 1870s. rock-crystal engravings rock-crystal-engraving Ewer

Rod
Glass Dictionary Term

A monochrome segment of glass cut from a trail. rods

Rod forming
Glass Dictionary Term

The technique of winding molten glass around the tip of a narrow metal tool or wire coated with clay or kiln wash to act as a separating agent. It is used for making narrow objects such as beads and pendants. rod-forming rod formings

Rolling pin
Glass Dictionary Term

A cylindrical object, usually made of wood but sometimes of glass, for rolling out dough or pasta to the required thickness. Many glass rolling pins are friggers, with a knob at each end so that they can be suspended by a cord. rolling pins rolling-pin

Roman foot
Glass Dictionary Term

A flangelike base formed by folding. The ancient Romans were the first glassworkers to make bases in this manner. roman feet

Relief cutting
Glass Dictionary Term

A type of cut glass with decoration in high relief, made by removing the background. Relief cuttings Relief-cut Relief-cuts Relief-cutting Releif cutting Hochschnitt Goblet

Resist
Glass Dictionary Term

A substance that resists or prevents a particular action. During the process of acid etching or sandblasting, parts of the surface are protected with a resist. Resists

Retort
Glass Dictionary Term

A vessel with a long neck, bent downward, in which liquids subjected to distillation are heated. retorts Retort

Reverse foil engraving
Glass Dictionary Term

A decorative technique in which gold or silver leaf is applied to the back side of a piece of glass, engraved, and protected by varnish, metal foil, or another piece of glass. reverse foil engraved reverse foil engraving reverse-foil engraving reverse-foil engraved Verre églomisé Brant Mansion, St.

Reverse painting
Glass Dictionary Term

The term applied to a number of decorative techniques, all of which involve painting, on the back side of the glass, a design that is viewed from the front (that is, through the glass). Because of this, the painter must apply the pigments in the reverse of the normal order, beginning with the

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