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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.
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]
The second mark, which is the more commonly known by collectors and dealers, is the intertwined W and G that Westmoreland began to use in 1946 on most of the glassware. [8] In 1981, David Grossman bought the factory from the Brainard family and changed the mark. The new mark was the word Westmoreland in a circle around three lines. [8]
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]
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The company advertised as a manufacturer of pressed glassware, and specialties were candle stands, candelabras, and banquet lamps. [24] The first piece of glass pressed at the plant was a salt dip, pattern number 93. A popular early pattern called Cascade looked like a swirl and was used for candelabras and ink wells.