With these maker names in mind and these tips to guide your research, you should be well on your way to a successful search for a splendid new slag glass piece to your collection. The final question to contemplate, though, is the value of these pieces. In the late 19th century, Louis Comfort Tiffany (1848-1933), son of Tiffany & Co. founder Charles Lewis Tiffany (1812–1902), strayed from the family business to become one of the most pivotal artists and designers of the Art Nouveau movement. see all. For example, the Royal Quiet De Luxe portable typewriter is worth $374. What is Slag Glass Worth? see all. The scientific study of the origin, history, and structure of the Earth. Used. Guaranteed Delivery. You would need some specific information to make a useful estimate. Not Specified. However, slag could be used to treat acid soils or acid mine drainage. How to Value an Antique Table Lamp. Slag is one of the substances most commonly mistaken for meteorites, as it appears burned and melted on the surface … Original/Reproduction. Meteorwrong: Slag—sometimes called cinder or runoff—is a by-product of metal smelting and usually consists of a conglomerate of metal oxides. Price. 4 Day Shipping. 3 Day Shipping. Etymology: So named because of the perception that viewers crave seeing the moment of male orgasm, and the movie wouldn’t be worth anything … During the 1960’s Imperial revived some of their older molds and reproduced many of the old iridized patterns as well as a few new ones. 2 Day Shipping. Slag is generated in large quantities and has the potential to become a significant source of landfill waste and pollution. Over $750.00. Under $350.00. Although the construction industry does use some slag as an aggregate, most is simply discarded. 99.1k members in the geology community. An antique table lamp may carry significant value if it is rare or made by a sought-after designer. see all. But slag itself has value, and technologies have emerged to recycle and reuse reprocessed, granulated slag in different building materials, such as cement, brick, concrete aggregates, wall materials, and glass-ceramic tiles. 1 Day Shipping. Condition. Value is determined by many different factors including rarity of type, size, condition, aesthetic appeal, and so on. Below are some of the most common types of antique lamps that we sell replacement shades and parts for here in our website. Asking what is a meteorite worth is a bit like asking how much a car or a house is worth. In 1929 Imperial began what they called the machine glass era and produced its fair share of what we know today as depression glass. see all. Antique Slag Glass Lamp Filter Applied. While the vast majority of typewriters are anything but rare (after all, most households had one during the product's heyday), there are some rare ones that might not look like much, but could fetch a good amount of cash. Tiffany Studios: A Brief History. It appears in concrete, aggregate road materials, as ballast, and is sometimes used as a component of phosphate fertilizer. Doing so would both offset the cost of restoring abandoned mine areas, as well as decrease steel manufacturers’ current waste footprint. Ferrous slag is currently underutilized. No Preference. Slag is a byproduct of metal smelting, and hundreds of tons of it are produced every year all over the world in the process of refining metals and making alloys.Like other industrial byproducts, slag actually has many uses, and rarely goes to waste. $350.00 to $750.00. Perhaps this will also help you identify your lamp and find out more information. Primary Material. 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