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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Wineglass with A Penne
Video

A penne is a decorative technique that originated in antiquity. It was used by the Romans and, beginning in the 16th century, by the Venetians. Here, the technique is demonstrated using a wrap and a fin mold. See 360˚ photography and learn more about this object in The Techniques of Renaissance

Wineglass with a Kuttrolf Stem
Video

A Kuttrolf is a flask with a neck that is divided into two or more tubes. It has Roman antecedents, it was made by German glassworkers in the later Middle Ages, and it is found among Venetian and façon de Venise glasses of the 16th and 17th centuries. The making of a Kuttrolf stem is the subject of

Wineglass with Flameworked Flowers
Video

This goblet has a stem with many constrictions, pincered bits, a gold-leaf edge, and flameworked flowers. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the

Fazzoletto
Video

A goblet is spun out to form a bowl with a final shape like a handkerchief floating downward after being tossed in the air. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden

Wineglass with Coin in Stem
Video

This wineglass contains a silver coin, which is found in the stem with many constrictions. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By the early 1500s, the

Three-bubble Goblet with Filigrana
Video

This goblet is made using filigrana, a style of blown glass made with colorless, white, and sometimes colored canes that originated on the island of Murano in the 16th century. The canemaking and glassblowing processes are shown in the video. Learn more about this object in The Techniques of

Tazza
Video

A tazza, a saucerlike bowl on a high stem, is constructed on a blowpipe. The bowl and foot of the object are unfluted glass, and the stem is made by dip molding and twisted to create fluting. The stem has many constrictions. Two mereses are shown. The foot has a folded edge, and the bowl is opened

Spoon
Video

The spoon created in this video has a twisted handle and prunts that are covered with gold leaf. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance

Small Cup with Two Handles
Video

This video shows the making of a flared two-handled vessel. The base of the vessel has a kick and a trail around the bottom edge. The symmetrical handles are added as the final step. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by

Simple Flared Wineglass
Video

Built on the blowpipe, this goblet has a slight flare, one constriction in the stem, and a merese. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By the early 1500s,

Reticello Lidded Bottle
Video

The Italian term vetro a reticello means “glass with a small network.” It refers to a type of blown glass made with canes organized in a crisscross pattern to form a fine net, which may contain tiny air traps. This video shows the making of a reticello bottle and lid. Learn more about this object

Reliquary
Video

A reliquary is a container of sacred relics. This example has suspension loops, a lid, and a finial. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the

Millefiori Ball
Video

Here is a ball made with millefiori canes. Millefiori, originally an Italian word that means “1,000 flowers,” is also known as mosaic glass, referring to objects made from preformed elements placed in a mold and heated until they fuse. In this video, the process of making millefiori cane slices and

Lion-mask Stem
Video

The lion-mask stem is a hollow stem made by blowing a gather into a mold patterned with two lion’s masks, usually separated by festoons. Such stems were first used in Venice in the 16th century, and they later became a hallmark of façon de Venise glass. In this video, a lion-mask stem is blown in a

Lidded Goblet with Aqua Chain
Video

This lidded goblet has an aqua chain around the body, a merese, and a lid with a finial on the top. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By the early 1500s,

Lidded Bowl with Frit Decoration
Video

In this video, frit is added to a bubble and manipulated with pincers. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By the early 1500s, the

Goblet with Inner Blue Ball
Video

This goblet has a blown blue ball inside the cup. In this video, the ball is attached to the inner part of the cup. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By

Goblet with Aqua Stem
Video

This goblet is built on the blowpipe. It has many constrictions in the stem, as well as an asymmetrical edge. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during

Footed Goblet with Pineapple Dip Molded Cup
Video

A pineapple dip mold is used to create the pattern on the body of this footed goblet. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By the

Footed Bowl with Filigrana
Video

This footed bowl is made with many techniques: filigrana, edge wraps, a merese, canes oriented in two directions, and nipt-diamond-waies. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during

Flared Wineglass with Wings
Video

In addition to its stem with many constrictions, this wineglass features wings, pincered bits, and a merese. See 360˚ photography and learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the

Enameled Tazza
Video

The blank for this tazza is made using mezza-stampatura. The object is then decorated with gilding and enameling. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By the

Enameled Bowl
Video

The bowl presented in this video is made using mezza-stampatura. It is gilded and enameled, and it has a folded edge. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry enjoyed a golden age during the Renaissance. By

Dragon-stem Goblet
Video

A dragon-stem goblet has many parts, including a bowl, a foot, and a dragon. Dip molding is used to create the dragon, and the parts are attached with glue bits. This goblet has pincered bits, a merese, an avolio, wings, and eyes. See 360˚ photography and learn more about this object in The

Classic Flared Wineglass
Video

An exceptionally elegant vessel, this wineglass is a perfect example of an object built on the blowpipe. It has a stem with no constriction, and it features a merese and an exaggerated flare at the opening. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by

Aspersorium
Video

This object is an aspersorium, a vessel for holding holy water. It is made with ice glass, a decorative effect that causes the surface of the glass to resemble cracked ice. The aspersorium has a handle attached by two loops, an edge wrap, and a body wrap. See 360˚ photography and learn more about

Ampollina
Video

An ampollina is a vessel similar in purpose to the Amphora, but smaller in size. This example has a handle, spout, small flameworked flowers, and a gold-leaf edge. Learn more about this object in The Techniques of Renaissance Venetian Glassworking by William Gudenrath. The Venetian glass industry

Bill Gudenrath Live-streamed Studio Demonstration
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Watch as Bill Gudenrath demonstrates for his class, An In-Depth Introduction to Venetian Techniques, at The Studio of The Corning Museum of Glass. See the final objects out of the annealer starting at 1:10:23. Gudenrath is a glassblower, scholar, lecturer, and teacher. He is an authority on

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