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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Art Nouveau
Glass Dictionary Term

(from French, “new art”) An international late 19th- and early 20th-century decorative style characterized by organic foliate forms, sinuous lines, and non-geometric, “whiplash” curves. Art Nouveau originated in Europe in the late 1880s, and reached the peak of its popularity around 1900. In

Chalk glass
Glass Dictionary Term

A colorless glass containing chalk, developed in Bohemia in the late 17th century. Vessels of thick chalk glass were often elaborately engraved. chalk glasses Kalkglas Covered Goblet

Gold ruby
Glass Dictionary Term

Deep red glass colored by the addition of gold chloride to the batch. The method of making gold ruby glass was perfected by Johann Kunckel (1637-1703) in Potsdam shortly before 1679. gold-ruby Kunckel red Scent Bottle with Stopper

Network mosaic glass
Glass Dictionary Term

Hellenistic and Roman glass composed of spirally wound canes, usually colorless and white or yellow, that are fused to create an overall pattern with a lacy appearance; %%lacy mosaic glass%% hence the alternative name. network-mosaic glass network mosaic glasses Lacy mosaic glass

Lattimo
Glass Dictionary Term

(from Italian latte, “milk”) Opaque white glass, usually opacified by tin oxide or arsenic. milk glass milkglas milkglass Milchglas The Rothschild Bowl

Mosaic glass
Glass Dictionary Term

Objects made from preformed elements placed in a mold and heated until they fuse. The term “mosaic glass” is preferable to “millefiori,” except in the case of Venetian or façon de Venise glass. glass mosaics mosaic glasses millifiori millefiore millefioris Millefiori Mosaic Glass Bowl

Seam mark
Glass Dictionary Term

A slight, narrow ridge on a glass object, which indicates that it has been made in a mold. The seams appear where gaps in the joins between parts of the mold have permitted molten glass to seep during formation. On well-made pieces, the seam marks are usually smoothed away by grinding or fire

Dip mold
Glass Dictionary Term

A cylindrical or truncated conical one-piece mold with a patterned interior. The mold is open at the top so that a parison can be dipped into it and then inflated. It is also known as an optic mold. Dip molds optic-mold optic molds Optic mold

Drawing
Glass Dictionary Term

The process of pulling semimolten glass to elongate it. It is used, for example, in the production of canes. pullings pulling

Pontil
Glass Dictionary Term

The pontil, or punty, is a solid metal rod that is usually tipped with a wad of hot glass, then applied to the base of a vessel to hold it during manufacture. It often leaves an irregular or ring-shaped scar on the base when removed. This is called the “pontil mark.” pontils punty punties pontil

Trick glass
Glass Dictionary Term

A glass, usually for wine and often of extraordinary shape, designed to be as difficult as possible to drink from without spilling the contents. In drinking competitions, any drinker who spilled wine was required to start again with a full glass. trick glasses trick-glass trick-glasses puzzle

Stick lighting
Glass Dictionary Term

The process of using a point to scratch internal details in painted or enameled decoration. stick lightings stick light stick-light stick lit stick-lit Stickwork stick-work stickworks stick worked stick-worked stick-works stickworking stick-working stick works

Shearings
Glass Dictionary Term

Slivers of waste glass formed by trimming glassware during manufacture. sheerings clippings cuttings

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

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

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

Pyxis
Glass Dictionary Term

(from Greek and Latin), pl. pyxides. A covered box for the toilet table, used to contain cosmetics, medicines, and jewelry. pyxides pyxide pyxises Pyxis with Lid

Printy
Glass Dictionary Term

A circular or oval wheel-cut depression. Prismatic cutting (2) 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.

Potash-lime glass
Glass Dictionary Term

A form of glass containing three major compounds in varying proportions: silica (usually about 60-75 percent), potash (12-18 percent), and lime (5-12 percent). Forest glass is a common type of potassium-lime glass. Potash glass is slightly denser than soda-lime glass; it passes from the molten to

Paste
Glass Dictionary Term

These terms and their French and Italian equivalents, pâte de verre and pasta vitrea, have been used since at least the 17th century to describe the composition of small objects such as medallions and imitations of precious stones. However, their use to describe such objects is incorrect (they were

Newel
Glass Dictionary Term

Usually, the post at the head and the foot of a flight of stairs, supporting the handrail. In the 19th century, glass finials were sometimes used to adorn newel posts. newals newels newal newel post newel posts Newel Post

Neon
Glass Dictionary Term

Neon is an inert gas that, like some other gases, has the properties of high electrical conductivity and strong light-emissive power. Such gases can be introduced into evacuated glass tubes. Under these conditions, an electrical discharge causes the gas to emit light. Different gases emit different

Murrina
Glass Dictionary Term

These terms are used inconsistently, especially in the context of contemporary glass. When used as a noun, murrina usually refers to a multicolored element embedded in an object, whereas murrine most often refers to slices of a complex cane. murrini murinas murrinas murrines Murrine murine murina

Lehr
Glass Dictionary Term

The oven used for annealing glassware. Early lehrs were connected to the furnace by flues, but the difficulty of controlling heat and smoke made this arrangement impracticable. Later lehrs were long, bricklined, separately heated tunnels through which the glass objects were slowly pushed. The glass

Latticino
Glass Dictionary Term

(from Italian latte, “milk”) Term formerly used to describe filigrana. It has now been abandoned. Latticinio

Kantharos
Glass Dictionary Term

A drinking vessel with a bell-shaped body, a foot, and two handles. Kantharos (from Greek), cantharus (from Latin) Cantharus The Disch Cantharus

Hot-formed
Glass Dictionary Term

The generic term for glass that is manipulated while it is hot. Hot formed hot form hot-forms hot forms hot-forming hot forming hot-worked hot worked hot works hot-works hot work hot-work hotworking hot working hot-working

Frit
Glass Dictionary Term

Batch ingredients such as sand and alkali, which have been partly reacted by heating but not completely melted. After cooling, frit is ground to a powder and melted. Fritting (or sintering) is the process of making frit. fritting

Free-blown glass
Glass Dictionary Term

Glassware shaped solely by inflation with a blowpipe and manipulation with tools. free blown glass Off-hand blown glass offhand-blown offhand blown glasses off-hand blown glasses offhand blown glass Lily-pad Pitcher

Filigrana
Glass Dictionary Term

(Italian, “filigree glass”) The generic name for blown glass made with colorless, white, and sometimes colored canes. The filigrana style originated on the island of Murano in the 16th century and spread rapidly to other parts of Europe where façon de Venise glass was produced. Manufacture on

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