identifying slag glass lamps

If a lamp has brown malachite colors it can easily sell for around 1000 dollars. If you love the look of slag but dont want to pay extra for vintage, or are looking for a higher variety of options, check out some of the more recently produced glass pieces. Overview. Always do your research and be cautious when purchasing or collecting slag glass. This leads to marbling in the colors of the glass. Identifying the Base. Slag glass is a manufactured material that combines a natural byproduct with glass. Vintage Lamps and Lighting. 2023 LoveToKnow Media. This is something people will often wonder about. Over time, other companies like Imperial Glass, Akro Agate, and Westmoreland began producing and selling their own versions of slag glass. The result is a material that lies somewhere between porcelain and glass. . Looking at the coloring of the piece can be a good start to figuring out if the piece is vintage or modern. According to Norman Webber, some companies referred to slagware as end of the day wear because glassmakers collected slag from the surface of iron right before they poured it at the end of the day. Find many great new & used options and get the best deals for Cabinet-Sized Slag Glass Specimen E1700 at the best online prices at eBay! But you Handling Antique Glass Antique glass should be handled as if it has been; Glass Repair Repairs to cut glass can be seen with a black; Vintage & New Glass Paperweights Glass paperweights . Your IP address cannot be used to identify you. Whether youre looking for a decorative piece to spruce up the place, or searching for that next big purchase as a collector, the world of slag glass has something for everyone. Fenton, Mosser, Boyd Glass, and Summit are some of the common, modern, U.S. manufacturers of slag glass. You can email the site owner to let them know you were blocked. Brown with silky cream streaks was the first colorpalate of slag glass, and vintage pieces with this tint are some of the rarest and most valuable today. You can tell the age/authenticity of stained glass by looking at the glass that's used. However, since each piece will have very unique marbling patterns, the estimated value can vary greatly based on personal preference. Slag glass, also known as marble glass or malachite glass, is a type of opaque, streaked pressed glass. It has distinctive a distinctive knob pattern and comes in a variety of colors. Shop at WAYFAIR Slag glass is created when steelmaking byproducts are melted down and formed into translucent blocks or shards. The base of slag glass is an opaque color, and the streaks are typically a milky white or cream color. Avon calling. Cloudflare Ray ID: 7c0b058ee94819fc This is the most obvious giveaway when trying to spot slag glass. Antique slag items are usually brown, blue, green or purple. IDENTIFY SHADE DESIGNS Slag glass gets its name from slag. Check the bottom or inside of an item for either a name or logo of a manufacturer. Vintage glass pieces come in so many different colors, types, and styles with different names for each variety. Reach out to an expert 7. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. Consulting with a professional or experienced collector can help determine the approximate value of a particular piece of slag glass. They are a great way to add color to any room. Slag glass producers mark their products with the companys initials or the companys logo. With these tips in mind, you should be able to know how to identify slag glass. While collectible, the price range varies greatly depending on the item and manufacturer. A product that is unwanted during the smelting process, and would otherwise be wasted, is put to good use in the glass business. Two vintage brown Sowerby figurines can sell for two completely different processes depending on how the marbling came out. Lighting FixturesPettingell-Andrews Company, c. 1910, Gas and Electric LampsWelsbach Company, c. 1910. $1,551 57% Off $3,600. The marbled pattern and swirled appearance of the glass add to its unique appeal and character. Don't turn your nose up at these vintage perfume and cologne bottles from Avon. Identifying slag glass can be a bit tricky, as there are many different types and colors of slag glass. Chances are if the glass is colorful and has a rough texture, its slag glass. These patterns are created during the manufacturing process and give slag glass its unique appearance. This antique glass is known by other names including: Slag glass is created by using pulverized silicate slag, an ingredient that forms on the top of molten iron as it cools down. Two of these patents, numbers 656891 and 774602, clearly depict the SUCCESS burner in their accompanying patent drawing. Heres the full list of other names used to describe slag glass over the years: Items made of slag glass are too many to mentionfrom antique light fixtures and candle holders to lampshades, picture frames, dishes, vases, bowls, pots and much more. All rights reserved. Sowerby in Gateshead, England is believed to be the first glass foundry to create slag glass. Included one glass screen with crack with figures of 2 seated nude maidens either side of center lamp with multi-color glass globe shade, no visible markings. The marbling should be a creamy white color that is evenly mixed into the base color. 3. Generally only old lamps feature a brass collar. Slag glass is commonly found in antique lamps and light fixtures but can also be used for decorative windows or tiles. These tips and tricks can help to ensure further that a piece is indeed slag glass. The marbling is sometimes compared to tortoiseshell. Made of curved slag glass panels set into a metal frame, that from the photograph appears to be brass, this is a very nice example of . Lampshades and chandeliers were commonly produced out of slag glass. Make an offer . Price Realized: $550,000. Tiffany lamps are famous for the vibrant colors and varied textures used in the glass design. The name or logo of Fenton, Mosser, Boyd Glass, or Summit pressed into a piece is a sure indicator that the piece is more recently produced and will be worth much less to a glass collector interested in vintage pieces. Find Fenton markings 3. Most antique slag items are brown, blue, green, or purple. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Hold the glass up to a light source, and you should be able to see the light passing through, albeit with a mottled or cloudy appearance. The slag floats to the top, cools, and is collected to mix and make slag glass. Its no surprise that this style is most typically referred to as marble glass. Slag glass is a beautiful and unique material that can be used to create stunning works of art. Slag glass has something that cannot be found in imperial glass, uranium glass, milk glass, depression glass, carnival glass, or any other type of vintage collectors glassware. On the other hand, Tiffany Studios decorative items sold for several thousand dollars. All rights reserved. Have you ever seen a piece of glass and wondered where it came from? Slag glass was also created by taking two colors of glass and combining them to create what was called "mosaic glass" in 1902 in Pennsylvania by glassmakers Thomas Dugan and Harry Northwood. Remember, being cautious and taking your time while identifying slag glass can help ensure you make a wise purchasing decision. Some later manufacturers include Boyd, Imperial, and Westmoreland. It has become a sought after collectible for its unique appearance and history. Doyle New York, New York, NY (September 2004) Early examples of slag glass already came in a variety of colors, but modern styles of mosaic glass are available in a seemingly endless array of hues and shades. Become a national Fenton club member Fenton glassware prices 1. These beautiful pieces of functional art were popular in the late 19th and early 20th centuries, and today they remain highly sought after by collectors. McCrory and Kresge also were major customers. As technology and manufacturing changed over time, new colors have been introduced to the slag design. Many antique lamps of these periods were made with stained glass, rather than slag glass, and a careful review of the glass opacity and patterns is necessary to determine the difference. True slag glass was originally produced in England during the last quarter of the 19th century when, simply put, it is believed slag from iron-smelting was added to molten glass to achieve a marbling effect in a variety of colors. Ruby Red LLC is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Unsigned decorative glass items like compotes and vases tend to sell between $5 $50, even if they are from the 19th century. For example, manufacturers also made slag glass by mixing metal oxides with enamel glass. 1231A - 10 1/4 Alpha Art Glass Amber Vase Lamp. Glass manufacturers were thought to have added slag from iron smelting to molten glass. Some well-known slag glass manufacturers include Sowerby, Davidson, and Greeners. 30 slag glass lamps for sale; 401-314-6005 (12-6 ESTime) non text# Email pictures to: Len.Daley@yahoo.com. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. Slag glass is often cut and shaped by hand, leading to irregularities in shape. Manufacturers usually make slag glass by mixing this . This material takes on different colors depending on the minerals and elements that are present in the iron. Many manufacturers used colored slag glass to create elaborate patterns in the lamp bases and shades, while others used the glass to create everyday scenes and landscapes. Grandmother's old lamp not "true" slag glass but still catches eye of appraiser to the tune of $300-$400. 5.Your shipping address for return shipping quote. I'm Stacy Jones and I love antiques! This will ensure that the money you are spending is worth it. This type of information could make a difference in the price of your lamp and without knowing, I must assume there is no indication of the maker on this piece. Happy collecting! In the early 20thcentury, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called mosaic glass. You can find antique slag lighting fixtures for sale on websites such as Etsy for as low as $20 or as much as $16,000. The pieces produced are of a very similar style and quality, and it can be difficult to identify exactly where a vintage piece was originally produced. Wonderful petite, Original 1910-1920's slag glass lamp, shows, REVERE Copper and slag glass lamp, its faceted. If you're looking for a softer glow in your room, install an amber light bulb to create a warmer light. Manufacturers usually make slag glass by mixing this silicate slag with clear glass. If exposed to a black light, the glue residue would show on a newer lamp. antique chandelier lamp parts, ornate embossed brass bobeches for lights. Outstanding glass and color. Unique antique lamps, especially those made during the Victorian era, had glass that was hand blown. Slag is used to refer to the by-product that shows up when various ores and metals are smelted. I'm Stacy Jones and I love antiques! Lamp measures 5 1/2'' h. x 11'' x 5'', globe measures. Sowerby also created several other color formulas including Giallo (yellow), Pomona (green), and Sorbini (blue). In this case slag, a by-product from iron smelting, is mixed into the molten glass before pressing. The most popular colors of slag glass tend to be shades of green and blue, but they can also be found in red, yellow, lavender, brown, and even black. Browse Similar. Estimate $400/600 Sold with Premium 258.30 Closed October 27, 2022 171. Slag glass is a term used to describe a type of colored pressed opaque glass made using the "slag" left over during the iron smelting process. Additionally, the uniqueness and character of each individual piece can also affect its value. The price of slag glass ranges considerably from five dollars for small slag glass pieces, to antiques that would garner hundredsif not thousands of dollars.

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