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Northwood mark on a vase. The most common Northwood maker mark was an underlined capital N centered inside of a circle. [13] [14] Not all pieces carry the mark but it is seen most often on carnival glass items. L.G. Wright also used a mark like it, but was forced to stop using it. [13]
The international glass code is based on U.S. military standard MIL-G-174, and is a six-digit number specifying the glass according to its refractive index n d at the Fraunhofer d- (or D 3-) line, 589.3 nm, and its Abbe number V d also taken at that line.
Another type of mark is found on glass baskets. Where the glass handles of the baskets are attached to the base of the basket a stamp is made. [9] Each handler had a specific pattern to help identify which handler attached the handle. [9] The marks began in the 1950s and were instituted by Frank M. and Bill Fenton. [9]
Pages in category "Glass trademarks and brands" The following 47 pages are in this category, out of 47 total. This list may not reflect recent changes. A. AGC Inc.
The Fostoria Shade and Lamp Company was the largest manufacturer of glass lamps in the United States during the early 1890s. It began operations in Fostoria, Ohio , on May 17, 1890. The plant was run by Nicholas Kopp Jr., a former chemist at Hobbs, Brockunier and Company in West Virginia .
The Fostoria Glass Company was a manufacturer of pressed, blown and hand-molded glassware and tableware. It began operations in Fostoria, Ohio , on December 15, 1887, on land donated by the townspeople.
In 1880, 73 of the nation's 168 glass manufacturers made glassware (lead or lime glass). The average number of employees for this segment of glass manufacturers was 173, and the average annual value of output per plant was $131,076. [ 70 ]
The factory provided fine quality glass tableware and decorative glass figurines. Both pressed and blown glassware were made in a wide variety of patterns and colors. The company also made glass automobile headlights and Holophane Glassware lighting fixtures. The company was operated by Heisey and his sons until 1957, when the factory closed.