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By 1850, Pennsylvania accounted for 40 percent of the glassmaking employees in the United States. [127] The 1880 United States census listed Pittsburgh's Allegheny County as the largest glass producer in the nation based on value, and its market share was 26.8 percent. The second place county had a market share of 7.7 percent. [128]
The O'Hara Glass Works in Pittsburgh was the first to use a Siemens regenerative pot furnace, but experienced difficulty utilizing the new technology. [ 35 ] Continuous tank : In March 1880 the first successful continuous tank used for the production of glass in the United States began operations. [ 36 ] [
The vases were common wedding gifts and often were engraved with the newlyweds’ names on the bottom. [1] The vases began to decline in popularity by 1900. [3] Eventually, the mass production of celery vases and the increasingly easier process of growing celery caused a decline in the vases' popularity. [1]
In 1837, Pittsburgh had 15 glass works, and the nearby Pennsylvania counties of Fayette and Washington had 13 more. [61] By mid–century, Pittsburgh was the nation's new glassmaking center, and it had as many as 33 glass works by 1857. Nine of those factories made flint glass (crystal).
Duncan & Miller Glass Company was a well-known glass manufacturing company in Washington, Pennsylvania. Items that were produced by the company are known as "Duncan glass" or "Duncan Miller glass." The company was founded in 1865 by George Duncan with his two sons and son-in-law in the South Side neighborhood of Pittsburgh, Pennsylvania.
In 1797 Pittsburgh's O'Hara and Craig glass works was also powered by coal, and it contributed to the eventual establishment of Pittsburgh as a leading glassmaking center in the 19th century. Many of the skilled glass workers in the United States during the 17th and 18th centuries came from the German-speaking region of Europe.
Early American molded glass refers to glass functional and decorative objects, such as bottles and dishware, that were manufactured in the United States in the 19th century. . The objects were produced by blowing molten glass into a mold, thereby causing the glass to assume the shape and pattern design of the m
Some Fostoria oil and electric lamps and hand-decorated vases, 1904. In 1899, the company became associated with the National Glass Company, which was a corporate trust. Co-founder Lucien Martin left the firm in 1901 to work in Pittsburgh for National Glass. Another co-founder, William Brady, also moved to the Pittsburgh firm a short time later ...