American Glass

Is Italian glass harder than American glass?

Is Italian glass truly less porus or denser? Is it easier to blow certian types of glass or crystals? I know very little about glass blowing, but it always intrested me!
Thanks

How to blow glass

Originally glass was melted in furnaces from ingredients such as soda, potash, various compounds, limestone and sand. These raw materials transform into glass in a temperature above 2000 F. Next the glass is left alone in order to allow air bubbles to be released. There are 3 furnaces involved in glass blowing. The fist one contains molten glass, the second furnace or the ‘glory hole’ is used to reheat a art piece throughout its creation, and the last furnace, the lire, is used to cool the glass for hours or days – this furnace also prevents the glass from cracking and changing shape. Tools used include a bench, marver, blocks, jacks, paddles, tweezers, shears, punty and a blowpipe. Initially, the blowpipe is dipped into the molten glass in the first furnace and gathered. Next the glass is rolled on the marver which is a slab of steel or marble. This is important in forming a cool, harder exterior skin on the molten glass so that it can be blow effectively. Air is then blown into the blowpipe in order to create the glass art.

Glass blowing history

The first evidence of glass blowing was found to date back to 27BC in Syria. The Syrians formed the glass medium around cores of mud and then quickly inflated them into large, clear, leak free containers. This technique spread to the Roman world and was adopted by the Venetians, especially on the island of Murano. Venice became the center of the highest quality glass manufacturing of the medieval period. The glass blowers of Venice were the best in the world at the time, boasting years of training and skill, and a variety of colors that could not be found elsewhere. Venetian glass blowers were so valued that they were sentenced to death if they attempted to escape Venice. This would not only release their trade secrets to the world, but it would also destroy Venice as a main trading centre for glass blown goods including glasses, flasks, glass jewelry, gold encrusted glass vessels and so on. The modern glass blowing movement was the “Studio Glass Movement”, which began in 1962 with chemist Dominick Labino and ceramics professor Harvey Littleton. They combined their efforts to experiment with melted glass and a small furnace and eventually began creating blown glass art. These two individuals sparked the advent of glass blowing as a private artform – possible in private studios. Famous decorative glass artists like Dale Chihuly, and Lino Tagliapietra embraced glass blowing art and became creative leaders of the times. Dale Chihuly started the Pilchich Glass School in Washington, which became a huge contributor to the American Studio Glass movement. Dante Morioni was the first Murano trained Italian artist to leave Venice and share his knowledge with the USA in 1971. This fueled more interest and admiration of the blown glass art. Today, glassblowing is one of the fastest growing hobbies in North America.

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Fostoria American Clear Small Double Handled Boat Dish 85 Excellent
Fostoria American Clear Small Double Handled Boat Dish 85 Excellent
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Fostoria AMERICAN CLEAR Champagne Sherbet Glass 5537363
Fostoria AMERICAN CLEAR Champagne Sherbet Glass 5537363
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VINTAGEEARLY AMERICAN GLASSBASKET CANDY DISH
VINTAGEEARLY AMERICAN GLASSBASKET CANDY DISH
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Early American Prescut EAPC Pitcher Jug 40 oz Square
Early American Prescut EAPC Pitcher Jug 40 oz Square
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Vintage Fostoria American Whitehall Juice Glasses Goblets Amber No Damage
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8pc Fostoria Glass AMERICAN Clear Cube Salad Sandwich Plates 7 3 4 Excellent
8pc Fostoria Glass AMERICAN Clear Cube Salad Sandwich Plates 7 3 4 Excellent
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Fostoria AMERICAN CLEAR 39 Oz Pitcher 5427137
Fostoria AMERICAN CLEAR 39 Oz Pitcher 5427137
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FOSTORIA CANDLE HOLDER
FOSTORIA CANDLE HOLDER
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Pairpoint American Brilliant Cut Glass banana bowlDaisies and leaves11 1 4 l
Pairpoint American Brilliant Cut Glass banana bowlDaisies and leaves11 1 4 l
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Green Vaseline Indian Head Native American Chief glass plate uranium Sleepy Eye
Green Vaseline Indian Head Native American Chief glass plate uranium Sleepy Eye
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4 ANCHOR HOCKING AMBER AMERICAN BICENTENNIAL GLASS PLATES POLITICAL DINNER DECOR
4 ANCHOR HOCKING AMBER AMERICAN BICENTENNIAL GLASS PLATES POLITICAL DINNER DECOR
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Fostoria AMERICAN CLEAR Claret Wine Glass 5537361
Fostoria AMERICAN CLEAR Claret Wine Glass 5537361
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Green Vaseline glass jam jelly soap dish american pattern Uranium candy salt dip
Green Vaseline glass jam jelly soap dish american pattern Uranium candy salt dip
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Early American Prescut HARD TO FIND 6 3 4 plate with cup ring
Early American Prescut HARD TO FIND 6 3 4 plate with cup ring
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Mixed Lot of 5 Vintage Wine Water Glasses Goblets Early American Pattern glass
Mixed Lot of 5 Vintage Wine Water Glasses Goblets Early American Pattern glass
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Monax Depression Glass American Sweetheart Cup and 4 Saucers
Monax Depression Glass American Sweetheart Cup and 4 Saucers
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American Brilliant Cut Glass Bowl with Gorham Sterling Silver Rim
American Brilliant Cut Glass Bowl with Gorham Sterling Silver Rim
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Yorktown Snack Set Federal Glass Co Inspired by Historic American Glasswearw box
Yorktown Snack Set Federal Glass Co Inspired by Historic American Glasswearw box
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Green Vaseline glass toothpick holder uranium Indian head chief native American
Green Vaseline glass toothpick holder uranium Indian head chief native American
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EAPG SHOSHONE AKA Victor Relish or Pickle US Glass Early American Glassware
EAPG SHOSHONE AKA Victor Relish or Pickle US Glass Early American Glassware
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Pink Depression AMERICAN SWEETHEART Macbeth Evans Cereal Bowl s
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Morgantown Glass Steigel Green Roanoke American Modern Dessert Plate s Loc Sau9
Morgantown Glass Steigel Green Roanoke American Modern Dessert Plate s Loc Sau9
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Indiana Glass Clear AMERICAN Cube WHITEHALL Candy Dish w Lid
Indiana Glass Clear AMERICAN Cube WHITEHALL Candy Dish w Lid
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VINTAGE FOSTORIA AMERICAN ELEGANT GLASS COVERED CANDY DISH EXCELLENT
VINTAGE FOSTORIA AMERICAN ELEGANT GLASS COVERED CANDY DISH EXCELLENT
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Macbeth Evans Glass Company American Sweetheart Pink Serving Platter 1930 36
Macbeth Evans Glass Company American Sweetheart Pink Serving Platter 1930 36
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Fostoria Clear Glass AMERICAN Footed Cup and Saucer s
Fostoria Clear Glass AMERICAN Footed Cup and Saucer s
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Fostoria Glass AMERICAN Candlestick Candle Holder s
Fostoria Glass AMERICAN Candlestick Candle Holder s
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Fostoria Clear Glass AMERICAN Saucer s loc big
Fostoria Clear Glass AMERICAN Saucer s loc big
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Fostoria Glass Clear AMERICAN Low Champagne Sherbet s loc big
Fostoria Glass Clear AMERICAN Low Champagne Sherbet s loc big
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Fostoria AMERICAN Hex Foot Water Goblet s
Fostoria AMERICAN Hex Foot Water Goblet s
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Fostoria Glass Clear AMERICAN 7 3 4 Salad Plate s EXC loc 34Z
Fostoria Glass Clear AMERICAN 7 3 4 Salad Plate s EXC loc 34Z
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Amber EAPG Early American Pattern Glass Three Panel Footed 5 1 2 Bowl Round
Amber EAPG Early American Pattern Glass Three Panel Footed 5 1 2 Bowl Round
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Anchor Hocking Glass Early American PRESCUT Star of David 5 Cereal Bowl loc D3
Anchor Hocking Glass Early American PRESCUT Star of David 5 Cereal Bowl loc D3
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Anchor Hocking Glass STAR of DAVID EAPC Early American Prescut 8 1 4 Vase
Anchor Hocking Glass STAR of DAVID EAPC Early American Prescut 8 1 4 Vase
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American Brilliant Cut Glass plate signed Libbey circle  8 d
American Brilliant Cut Glass plate signed Libbey circle 8 d
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Fostoria American 3 Toed Tricorne Bowl
Fostoria American 3 Toed Tricorne Bowl
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Fostoria American Serving Group Handled Cake Plate Muffin Tray Group of 2
Fostoria American Serving Group Handled Cake Plate Muffin Tray Group of 2
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Fostoria Glass Clear AMERICAN Square Nappy Candy Dish
Fostoria Glass Clear AMERICAN Square Nappy Candy Dish
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Indiana Gold Carnival Glass American Bicentennial Independence Hall Plate 81F
Indiana Gold Carnival Glass American Bicentennial Independence Hall Plate 81F
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Hawkes American Brilliant Cherry  Leaf Cut Glass Celery Dish Signed
Hawkes American Brilliant Cherry Leaf Cut Glass Celery Dish Signed
$65.00


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