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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Grant Garmezy Live-Streamed Studio Demo
Video

Watch as Grant Garmezy demonstrated making a large reptile head for his class, Sparking Life Into Glass, which focused on special techniques and approaches to solid and blown sculpting.

Amanda Gundy Live-Streamed Studio Demo
Video

Watch as Amanda Gundy demonstrated for her class, Next Steps in Glassblowing: In Living Color, how to focus on technique and problem solving.

Live-streamed Studio Demonstration: Leah Fairbanks
Video

Watch as Leah Fairbanks demonstrates for her class, Wildflower Glass Gardens, how to create floral glass beads using precise application of surface embellishment.

2012 Rakow Commission: Steffen Dam
Video

The 2012 Rakow Commission honors the Danish artist Steffen Dam, a consummate glass craftsman, who will give an illustrated talk on his work. Although inspired by nature, Dam's work is entirely imaginary: the specimens he creates, in his words, are "plausible, but not from this world."

Celebrating a Century of Americana: Collecting Pyrex, Collecting Culture
Video

The collectors' panel, "Celebrating a Century of Americana: Collecting Pyrex, Collecting Culture," features four experienced collectors in the field of Pyrex acquisition and research, who will enlighten and entertain with advice about America's favorite dish. This panel was part

A Fragment of a Dichroic Cage Cup in The British Museum
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Among the glass in the Department of Greek and Roman Antiquities at The British Museum is a fragment of a late Roman dichroic cage cup. Although the fragment has been mentioned on several occasions, 1 it has never been described in detail. The find-place is unknown. Description The fragment (Fig. 1

Early Modern Printed Books at the Rakow Library, 1450-1550: An Introduction
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A select group of rare books in the Rakow Research Library’s collection serve not only as repositories of early glass knowledge but also as artifacts of fine bookmaking. They were written by ancient authors and printed some 1,000 years later during the first century of modern printing (about 1450

Strabo's De situ orbis printed in Venice, 1472
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When Johannes de Spira died in 1470, the printing business he had started was taken over by his brother, Vindelinus. Two years later, Vindelinus published Strabo’s De situ orbis, an ancient geographical text consisting of 17 books. A first edition of this work had been issued in Rome in 1469 by

The Estonian Glasshouse of Hüti, 1628–1664
Article

Before his death, Maks Roosma, Professor in the Department of Glass, State Art Institute, Tallinn, Estonia, sent a brief article summarizing the results of his research into the history of the most important early glasshouse in Estonia. Professor Roosma had conducted an archaeological excavation on

Glass in the Price Edict of Diocletian
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In A.D. 301, Emperor Diocletian attempted to halt a rapid rise in prices by issuing his Edictum de pretiis (Edict on prices), which established maximum prices and wages throughout the Roman Empire. Copies of the edict were inscribed in Latin or Greek on marble panels and posted in prominent places.

The Transition from Natron to Plant Ash in the Levant
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The basic components of early glasses were soda, lime, and silica. In the Mediterranean region and Western Asia, these three components were usually introduced in the form of two ingredients: either natron (soda) and sand containing shell fragments (silica and lime), or ash derived from halophytic

Red Glasses from Beirut
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In his monumental study of documents from the Cairo Genizah, the late S.D. Goitein drew attention to a letter requesting, among other items, "a wickerwork basket with red glasses from Beirut, and if they cannot be had, white glasses." 1 The letter, which is written in Arabic but with

Roman Glass Boats
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This note discusses the function of a group of Roman glass models of boats. Six boats are known. They were found at Pompeii (two examples, including Fig. 1), 1 Palombara in Sabina, 2 Aquileia 3 and Santa Elena di Melma near Treviso in ltaly, 4 and St. Aldegund near Koblenz in Germany. 5 All of the

Byzantine Silver Stain: Another Example?
Article

In last year's Journal of Glass Studies [Vol. 42], Mark T. Wypyski and the present authors described a fragmentary vessel decorated with silver stain, and concluded that it is Byzantine and of about the 10th century. 1 We compared the fragment with the celebrated bowl with painted ornament in

Roman Dichroic Glass: Two Contemporary Descriptions?
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Dichroic (two-colored) glass is so called because it appears to be one color in reflected light and another color when light shines through it. Only a handful of Roman dichroic glass objects are known to exist. The most famous of these is the Lycurgus Cup, which is opaque green in reflected light

Islamic, Byzantine, or Roman? An Unusual Fragment from the Smith Collection
Article

Among the objects from the collection of Ray Winfield Smith that are in The Corning Museum of Glass, one relief-cut fragment has provoked widely divergent views about its identity. 1 The object (Fig. 1), which Smith acquired in Cairo, may be described as follows: Fragment with eagle [55.1.148].

Chemical Analyses of Amelung Glasses
Article

Introduction Chemical analyses and laboratory studies of glasses from the ancient and medieval worlds have provided a great deal of useful information for archaeologists, curators, and historians, 1 but until now, few such studies have been carried out on glasses from more recent periods. One

"The Rebuttal of the Glassmakers"
Article

One of the remarkable periodicals in the Chambon collection, which was acquired by The Corning Museum of Glass in 1983, is entitled La Revanche des verriers: Organe officiel des travailleurs du verre en Belgique. 1 This publication was brought to the attention of the Museum's librarians by two

Glass in the Epigrams of Martial
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The Verses of Martial, which were composed between A.D. 83 and 102, mostly in Rome, contain 12 explicit references to objects made of glass (for which Martial uses the noun vitrium or the adjective vitreus), together with two references to "Vatinian cups" (calices Vatinii), which appear

Live-streamed Studio Demonstration: Amanda Gundy (Sept 3, 2014)
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Watch as Amanda Gundy demonstrates for her class, Next Steps in Glassblowing, where she explored basic forms in glass and builds on fundamental skills. https://www.cmog.org/live Amanda Gundy...

The Seasons Vase
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The "Vase des Saisons" is the name given by Jean de Foville to a cameo glass bottle in the Cabinet des Medailles et Antiques of the Bibliothèque Nationale, Paris. (Figs. A, B, C "Alabastron en verre camée" (Camée.623)). The object may be described as follows: H. (as restored) 16

Isaac Newton, Opticks: Or, a Treatise of the Reflexions, Refractions, Inflexions and Colours of Light, 1704
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Isaac Newton (1642–1727) is often described as the greatest of all scientific thinkers. He is most famous, perhaps, for having formulated the universal law of gravitation, as well as the laws of motion. However, his interests also included alchemy, theology, mathematics, and the branch of physics

Dio Cassius' Roman History printed by Robert Estienne in Paris, 1548
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One might say that the 16 th century scholar-printer Robert Estienne (1503-1559) inherited from Aldus Manutius the mantle of Greek printing. At the very least, he must have felt an affinity with Aldus based on his love for the ancient Greek writings and his desire to render them in modern

The History of Science and Technology in the Rakow Library
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The scientific resources housed in the Rakow Library chronicle the mutual history of glass and science. They reveal how glass was both a subject and a tool of scientific study. They also highlight the different channels of scientific communication, beginning with the Medieval manuscript of the

Flavius Josephus’ books on Jewish history printed by Johann Schüssler in Augsburg, 1470
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One of the most reliable sources of ancient Jewish history is Flavius Josephus (about 37–97 A.D.), a native of Jerusalem and a learned statesman who became a favorite of Roman emperors. His two chief works, De bello Judaico (The Jewish war) and De antiquitate Judaica (Jewish antiquities), are bound

The Cadmiologia of Johann Gottlob Lehmann: A Sourcebook for the History of Preindustrial Glass Furnaces in Central Europe
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Glass furnaces are built to last. Self-destruction, however, seems to be one of their regrettable characteristics. The structure is consumed by high temperatures that no material can withstand indefinitely. Although the life spans of furnaces may have varied considerably, a report of 1649 suggests

Bees and Butterflies: Two Drawings by Harry Clarke
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In March 1996, the Rakow Library of The Corning Museum of Glass acquired two important drawings by the early 20th-century Irish stained glass artist Harry Clarke 1 (1889–1931). One of these drawings, created in 1914, is a detailed design for Clarke's "St. Gobnet" window in the Honan

Lorenzo Magalotti, Saggi di naturali esperienze, 1667
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The Saggi di naturali esperienze / fatte nell’Accademia del cimento sotto la protezione del serenissimo principe Leopoldo di Toscana e descritte del segretario di essa Accademia is a landmark publication in the history of experimental science. It describes experiments conducted by members of the

Udagawa Yoan and William Henry, Seimi Kaiso: A Japanese chemistry text in seven volumes, published in Edo (Tokyo), 1837
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Seimi Kaiso plays an important role in the remarkable story of Western scientific influences in Japan. When this work first appeared in 1837, Japan had been almost completely isolated from the larger world for two centuries. The Japanese were not allowed to travel abroad, and only the Chinese and

Bartholomaeus Anglicus, De Proprietatibus Rerum
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The encyclopedia titled De Proprietatibus Rerum (On the properties of things) was one of the most influential and widely published pedagogical works of the late medieval period. Originally written in Latin in the mid-13th century, it contained 19 books in a single volume that was meant to encompass

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