Search results
Results From The WOW.Com Content Network
Glass coloring and color marking may be obtained in several ways. by the addition of coloring ions, [1] [2] by precipitation of nanometer-sized colloids (so-called striking glasses [1] such as "gold ruby" [3] or red "selenium ruby"), [2] Ancient Roman enamelled glass, 1st century, Treasure of Begram; by colored inclusions (as in milk glass and ...
How to Identify Glassware Perhaps the first thing to know is that it is difficult to discern what kind of glass a piece is, according to Robinson, because glass has been produced in so many ...
Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
The Westmoreland Glass Company was founded in 1889 when a group of men purchased the Specialty Glass Company located in East Liverpool, Ohio, and moved it to Grapeville, Pennsylvania. [1] Grapeville was chosen as the location of the factory because the property had a large source of natural gas. George West served as president of the company ...
Shipping symbols [2] from ISO standard 780 "Pictorial marking for handling of goods" [3] or ASTM D5445 "Standard Practice for Pictorial Markings for Handling of Goods" [4] which depict shipping boxes as squares with rounded corners: "Fragile": the silhouette of a broken wine glass "This end up": a horizontal line with two arrows pointing up
While McKee Glass was the first to produce tableware in this jadeite color glass, the history of this color dates back into the 19th century. [citation needed] Other U.S. and European glassmakers produced items in this color. Examples can be seen from various makers such as Tarentum Glass, Challinor Taylor, and Portieux Vallerysthal of France.
Pontil scar on the base of a free-blown glass bowl. A pontil mark or punt mark is the scar where the pontil, punty or punt was broken from a work of blown glass.The presence of such a scar indicates that a glass bottle or bowl was blown freehand, while the absence of a punt mark suggests either that the mark has been obliterated or that the work was mold-blown.
The New Martinsville Glass Company was an American manufacturer of decorative glass products. It opened in 1901 in New Martinsville, West Virginia. The company was renowned for the use of color in their glassware. They initially made tableware but quickly expanded into vanities, bare ware, lamps, and more. [1]