In the 1830s Bacchus produced pressed glass by using a plunger to force molten glass into a cast-iron mold.
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Also at the museum, " Pressing Matters : American Pressed Glass, 1820-1920 " through Oct . 18 . 504-488-2631.
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This collection comprises primarily industrial or functional objects, including paperweights, bottles, technical objects, vessels, commercial pressed glass and ceramic moulds.
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Pressed glass : a less expensive process for producing glass in which it was pressed in the mold, rather than blown.
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It produced both blown and pressed glass objects in a variety of . . . colors, which had engraved, cut, etched, and gilded decorations.
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Born in Salisbury, Maryland, as a young man Isaac Collins moved to Lancaster, Ohio to work as a decorator at a pressed glass manufacturing company.
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In 1825 he began the Boston & Sandwich Glass Company with its factory in Sandwich, Massachusetts, specializing in blown glassware, mold-blown glass, and machine-pressed glass.
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He co-founded the New England Glass Company and founded the Boston & Sandwich Glass Company, renowned for its pressed glass, and the Mount Washington Glass Company.
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From about 1825 pressed glass manufacture became an industry and thrived; because they were easy to mold, salt cellars were among the earliest items mass-produced by this method.
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The term " goofus " has come to refer more to the use of un-fired enamel decoration to a piece of pressed glass, rather than to the glass itself.