identifying slag glass lamps

She has also managed an online antiques community. During the 1920s and 1930s, slag glass fell out of fashion and was replaced by more modern designs. Image 2: Tiffany Studios Patinated-Bronze and Leaded Favrile Glass Poinsettia Floor Lamp. Identifying Silhouette Slag Glass Lamp In Antique American Lighting, Antiques, Uncategorized on February 8, 2016 at 7:02 pm. 9. In your brief description you failed to mention condition or the presence or absence of any marks or numbers on the base of the lamp. Starting in the late 1800s and through the mid-1900s, both England and U.S. manufacturers were creating slag glass both with and with the use of iron slag. With these tips in mind, you should be able to know how to identify slag glass. Tiffany Floor Lamps. Prof. Busch working group is focused on solid metallic glass and biomaterials. Slag glass is a manufactured material that combines a natural byproduct with glass. M.L. Known by various other names, slag glass is instantly recognizable by its opaque glass and smooth blend of colorful streaks, creating a distinct marble effect. In some of the most stunning lighting pieces, small pieces of the slag glass were laid out in a metal framework. Question: Im looking to find some info on this slag glass lamp. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Look for a Fenton tag (used before 1970), look for the Fenton mark ("Fenton" in an oval), look for "F" in an oval, indicating another company's mold was used (1983+). A mark for Sowerby, Davidson, or Greeners will indicate a vintage U.K. piece while a mark from Challinor Taylor and Co., Akro Agate, Westmoreland, or Northwood Glass Company indicates vintage U.S. glass. Cavo is the author of Love Immortal: Antique Photographs and Stories of Dogs and Their People. A Fenton hobnail 4 1/2-inch vase can go for $15 to $50. Whats the difference between Slag Glass and Stained Glass? But what makes a slag glass lamp collectible, and how can you tell if you have a genuine antique? Slag glass antique lamps sell between $200 and $2,000, and most of the value is in the light itself. #2. If the metal is shiny, the glass is pristine, and the lamp generally looks newer overall, it might be a reproduction. Slag glass gets its name from slag. It has a unique, earthy appearance and can be found in a variety of colors. You may also wish to polish the piece with a small amount of mineral oil for added shine and protection. Finally, a Bradley & Hubbard slag glass lamp sold for $584, typical for that style and age of light. Eventually, it became known as slagware or slag glass. To help us improve user experience, we use Matomo to analyse how visitors interact with the website. The company mass-marketed lamps, tableware, and tumblers. The older it is, the higher in cost. Image 1: Tiffany Studios Hanging Head "Dragonfly" Floor Lamp. Related Posts: Cranberry Glass Decanter Q: This cranberry glass decanter belonged to my mother or; Jefferson Glass Co. Lamp Q: I have a Jefferson lamp with the numbers "2367"; Slag Glass Lamp Q: I'm looking to find some info on this slag; Tiffany Style Lamp Q: I recently acquired this "Tiffany" style lamp. Lampshades and chandeliers were commonly produced out of slag glass. Step 3. For example, slag glass pieces with distinct marbling patterns or interesting shapes may be more valuable to collectors. 1230C - 10 1/4 Ceramic Green Tone Vase Lamp. You'll find slag glass in blues, browns, and greens as well, though these colors are rarer than the brown/white/cream and purple formulations. Both styles create the same swirl effect, and originals of both are considered vintage and valuable. When identifying authentic slag glass, pay close attention to the marbling. Most pieces are decorative in nature, sprucing up side tables and bookshelves. This is one of the most common uses for slag glass, and you'll see many slag glass chandeliers and other fixtures in antique shops. A beautiful pieceno matter the age or valuehas the ability to brighten a room and add character to interior decor. However, its important to note that some sellers may falsely advertise a piece as slag glass, so do your research before making a purchase. Real slag will always have a creamy marble effect. True slag glass is marbled and has a variety of bright colors. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Vintage Slag Glass Value (Identification & Price Guides), Vintage Hummel Plates Value (Identification & Price Guide), Brown Betty teapot Value (Identification & Price Guides), How Much Is a 2-Dollar Bill Worth? rim, lamp is 20'' long x 11'' long. column support set beneath an opaque glass fount with painted silhouette bird and foliate detail and with a spherical etched glass shade and clear glass chimney together with search our price guide for your own treasures. VINTAGE SLAG GLASS LAMP All original wiring, Slag Glass Lamp, figural spelter base with, FIGURAL SPELTER LAMP WITH MARBLED ART GLASS, TWO ANTIQUE CZECH GLASS FRUIT BASKET BOUDOIR, ART DECO NUDE FIGURAL LAMP: Cast spelter, FIGURAL SLAG GLASS TABLE LAMP: Patinated, A pair of figural spelter oil lamps, with, Victorian Figural Spelter Lamp of Lady holding. These imperfections add character and are not considered flaws in slag glass. The lamp stands 20.5" tall and weighs only 4 lbs in total. The smaller boudoir lamps can be 7 or 10 inches. Vintage slag glass is most commonly found in brown or purple colors with white streaks, but you can also find plenty of green and blue as well. This is something people will often wonder about. Two vintage brown Sowerby figurines can sell for two completely different processes depending on how the marbling came out. 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. Jeannette Glassware, originally Jeannette Bottle Works, was founded in 1888. Slag Glass Lamp, Arts & Crafts era, geometric, EMPIRE LAMP CO. SLAG GLASS LAMP bronze base. 3. Don't turn your nose up at these vintage perfume and cologne bottles from Avon. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. Some famous makers include Tiffany Studios, Bradley Hubbard, and Handelwhose originals in good condition are very sought after. From Art Deco to 1970s Contemporary, we tried to list as many lamp manufacturers as we could find. To determine if an item is true slag glass or if its a combination of two molten glasses, consult a vintage glass appraiser. 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. Happy searching for your favorite color of slag glass! Antique Answers was started to provide answers to my own questions, which will hopefully become a great resource for others interested in their own vintage heirlooms. 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 . Handel lamps with metal overlays over slag glass are from the company's "Teroca Ware" line. This$13,464 pair of slag glass lampson Etsy is one example, along with this complete setfrom the Hilltop Steakhouse in the United States, being sold for an even $15k on eBay. Identification Tips & History Highlights, One of the most unusual types of antique glass that collectors can investigate, Vaseline glass is absolutely fascinating due to its color, history, and radioactive components. Mineral Identification Labels (#185769230073) o***l (1621) - Feedback left by . This wouldnt be considered slag glass in the strict traditional definition, but many collectors will still use the term to refer to any marbled, opaque, pressed glass pieces. On the other hand, slag glass can easily leave people confused. They are a great way to add color to any room. Delivery from Downers Grove, IL 7-14 days Edit my Location. To differentiate, compare the texture, pattern, and color of the glass to those of known slag glass pieces. These patterns are created during the manufacturing process and give slag glass its unique appearance. Doyle New York, New York, NY (September 2004) These items became so popular that slag glass made its way across the ocean and become common in American homes as well. Remember, the most common way to make slag glass was by skimming silicate material from the top of molten iron. What Is Slag Glass? To test the texture, run your fingers over the surface of the glass. 1230A - 10 1/4 Alpha Art Glass Green Vase Lamp. Wonderful petite, Original 1910-1920's slag glass lamp, shows, REVERE Copper and slag glass lamp, its faceted. Dont confuse newer pieces with older, vintage ones. Love Immortal: Antique Photographs and Stories of Dogs and Their People. 1930s Traditional Slag Glass Lamp; Share. The dimensions Length x Height. Now, you can find slag glass pieces in practically any color. I would say the lamp is from the 30's or 40's. glass glasses lamps marks plates. A reader sent me the above photograph with a request that I identify the above lamp. As with many other types of vintage glassware, the slag glass technique can be found in all sorts of different pieces, decorative or functional. The mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. Sotheby's, New York, NY (December 2017) Estimate: $300,000 - $500,000. At first glance the two can appear similar, but a close examination of the glass opacity will often be enough to differentiate one from the other. The marbling should be a creamy white color that is evenly mixed into the base color. Kitschy Avon Collectibles With Nostalgic Appeal. 6 Tips for Identifying Fenton Glass. These three manufacturers are very well known in the United Kingdom. If the glassware is marked by the manufacturer, you can use that to reverse search information about your piece. The church is not only the city's most renowned landmark but also stands alongside Dresden's Church of Our Lady and St Michael's . Always remember to inspect glassware in a room with good lighting. Co. 240, rewired, new AMERICAN EARLY 20TH CENTURY SLAG GLASS LAMP With a 16 inch slag Nice, original 8 panel caramel slag glass lamp, circa 1920-30, in 384. If they look and feel smooth and consistent, it was likely machine painted. 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. A large part of the 2,700 m exhibition area is located under Schlossplatz. Arts and Crafts Limbert Style Slag Glass Lamp It can also be called Malachite glass, in reference to the stone. Production of slag glass originated in late-19th-century England, where glass manufacturers are thought to have added slag from iron-smelting works to molten glass to create a range of effectsfrom tortoiseshell to marbling. A more specific title for this type of glass would be mosaic glass. This color pattern led to the "brown malachite" and "brown marble" names. 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. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. It has distinctive a distinctive knob pattern and comes in a variety of colors. You can tell the age/authenticity of stained glass by looking at the glass that's used. A Hanging Slag Glass Lamp, circa 20th Century Six sides of milky slag glass in a metal frame with a copper finish. The SUCCESS burner was Pilabrasgo's "claim to . The term slag glass is often used interchangeably with the terms flashed glass and stained glass. However, slag glass is a type of stained glass made from recycled materials. Glass manufacturers were thought to have added slag from iron smelting to molten glass. This incredible glass. Quick FAQ: -Yes, 99% of Handel lamps are marked. Lamp measures 5 1/2'' h. x 11'' x 5'', globe measures. However, the popularity waned at times. 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. Add To Cart Description. If you suspect that the piece may be vintage, check for age-related wear or markings on the glass itself or any accompanying hardware, such as lamps or furniture. I use this term only because it has become a widely known, accepted, descriptive term for pressed opaque glass with swirls or streaks, even though the likelihood of it containing any slag is remote. It could have internal or external threads. Some of the other names for slag glass come from its historical beginnings. Most slag glass replacement panels are completed the same week. If exposed to a black light, the glue residue would show on a newer lamp. Shop at WAYFAIR Save my name, email, and website in this browser for the next time I comment. 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. All rights reserved. Vintage pieces can also be commonly found in a dark purple color. In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. This does use the broader definition of slag glass that includes white marbling produced through any method. If it feels bumpy or uneven, its likely slag glass. Amber Caramel Slag Glass Hanging Swag Lamp Light Lighting Fixture 70's 1970's. $74.99. New York Art Deco Nude Dancer Spelter. This leads to marbling in the colors of the glass. 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. Vintage glass pieces come in so many different colors, types, and styles with different names for each variety. Over time, other companies like Imperial Glass, Akro Agate, and Westmoreland began producing and selling their own versions of slag glass. The addition of iron slag into the process gives slag glass its unique features, while stained glass is made from a simpler process of colouring the glass with vitreous paints. If you're a collector of antique lighting, you've likely come across slag glass lamps. While it may not be as popular as other types of glass, slag glass is beautiful in its own way. Tiffany lamps are famous for the vibrant colors and varied textures used in the glass design. [more like this] A pair of figural spelter oil lamps, with Slag glass is no longer produced as it once was. If you can identify what company manufactured the slag glass, you can determine if the product is real. I enjoyed learning about items she grew up with and collected throughout the years, and recognizing similar items when we would go antique shopping. Telling slag glass apart from other styles is actually quite simple. 2002-2023 LoveToKnow Media. Answer: The opaque bent panels of pressed glass with the creamy, golden swirls in your lamp are typically referred to as slag glass. This list is limited to only a few results.Many more items are available to our members through our She added custard glass to the company's color line in 1969 and iridescent (carnival) in 1972. Real slag glassware will also never just be one solid color, it will always be blended. The value of slag glass items can also be determined by the condition of the item. Typically slag glass antiques will be vases, dishes, bowls and decorative figurines and picture frames. Manufacturers usually make slag glass by mixing this silicate slag with clear glass. Quezal shades were often used in groups on a table lamp or chandelier. "Slag glass" is a collectors' name for opaque pressed glass with coloured streaks, usually white and/or cream streaks like this brown bugle made by George Davidson's in the North East of England in the 1890's. The name derives from the belief that these colours were achieved by adding slag from iron smelting works to the glass. Ding dong! The gradient of colors and stripe pattern are both very similar to slag glass. 1. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. As molten iron cools, a silicate slag forms on top of it. Become a national Fenton club member Fenton glassware prices 1. Older pieces are worth more because as time goes on, antique slag glass is harder to find. This glassy residue would vary in tint and colordepending on the minerals and chemicals used in steel production, resulting in a glossy, opaque, marbled effect. $1,200 OFFER. If the item is in good condition, with no cracks, discoloration, or signs of neglect, it will be worth more. -All mosaic and slag glass "Handels" should be viewed with some skepticism. The key to determining if a piece of glass is true slag or just a handsome example of pressed glass is to look for glass that is obviously and richly marbled rather than simply colored or streaked. In this case, the slag used for marbling glass is produced when iron is heated during the production process. Lot 167 : Roycroft/Dard Hunter Extremely Rare Table Lamp, Rago Arts and Auction Center , Lambertville, NJ Est: $40,000-$50,000 FIGURAL SLAG GLASS LAMP. Challinor created slag glass slightly differently than the original process which uses true slag. Ph.D. antiques appraiser Dr. Lori reveals tips to tell if the piece you think might be Tiffany glass is really slag glass used for that lamp shade or other p. Polly Pocket: History & Value of Barbies Biggest 90s Rival. The original slag glass is brown with creamy streaks, a similar pattern to how your cup of coffee looks when you first pour in milk or creamer. Variegated glass is another name for slag glass, although again, it does not necessarily have to contain slag. A similar look was created around the same time by U.S. manufacturers Northwood and Dugan. However, there are a few key . It should not have white streaks mixed into the color, nor should it be one solid color. CO. SLAG GLASS LAMP Base marked M.L. Once you find those marks, research the company to see if they are an authentic brand. Since it is only partially mixed to create marbling, slag glass will have different tones of whiteness throughout the piece. Verna Mae Wright, L. G. Wright' wife, directed the company following Wright's death in 1969. Pictures of both the inside and outside of the lamp. Slag is used to refer to the by-product that shows up when various ores and metals are smelted. Topped by an Art Deco style marbled yellow art glass shade. Check out nostalgic collectibles from one of America's most successful direct sales companies. Set of four antique embossed brass hanging lamp socket covers, 3 3/4" in diameter overall. AMERICAN EARLY 20TH CENTURY SLAG GLASS LAMP, Nice, original 8 panel caramel slag glass, 384. Slag glass is commonly found in antique lamps and light fixtures but can also be used for decorative windows or tiles. 1. Antique lamps showing identification by Handel, Pairpoint, Tiffany, Pittsburgh Pilabrasgo Co., Duffner, Van Briggle, or Fulper show a collectible lamp. Of course, no discussion of antique lamps is complete without the Tiffany Pond Lily Lamp, circa 1903, which sold at . How I can identify bent slag glass lamp issues Slag glass replacement panels are made to order. Avon calling. The key to determining if a piece of glass is "true" slag or just a handsome example of pressed glass is to look for glass that is obviously and richly marbled rather than simply colored or streaked. 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. The slag floats to the top, cools, and is collected to mix and make slag glass. Slag glass lamp repair By Len Daley. Some manufacturers of slag glass will label their products as Cinderella or marble glass. These labels indicate that the glass is made from recycled materials, making it easier to identify as slag glass. Markings for Bigelow and Kinnard, Kramer, Steuben, Bradley and Hubbard, Stickley, Gorham . Slag glass was extremely popular when used to create lampshades. A glass decoration plant opened in early 1968. EMPIRE LAMP CO. SLAG GLASS LAMP bronze base marked 'Empire Lamp M.L. 2022 HEIRLOOMS AT HOME & AGELESS HEIRLOOMS. 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 . One item where slag glass was used often was in the creation of antique oil lamps, chandeliers and lampshades, particularly during the Art Deco and Art Nouveau periods during the late 19th and early 20th century. Lamps, lampshades, and chandeliers were very popular uses for slag glass. Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. 2. A few examples of modern glass manufacturers operating out of the US today are Boyd Glass, Mosser, and Summit. Most companies have halted the production of slag glass items altogether. One of the most common applications of vintage slag glass is in lighting. They're easy to find, and make a colorful, decorative display in your home, offi, What Is Vaseline Glass? It should not have white streaks mixed into the color, nor should it be one solid color. It is a rather nice example of lamps of this type and I would place a value of $300 to $400. Performance & security by Cloudflare. The chart below highlights some recently sold slag glass items. Our up-to-date information will give you an accurate understanding of your items' worth. Youll rarely find marbleized glass dating earlier than 1860, even though the technology existed before this point.2. As always, make sure to do your due diligence when buying or selling any antique, and remember there are many free online appraisal sitesyou can consult as well. I can best help you after you email pictures To complete your quote for restoration if you include the following. Work with a qualified appraiser to help you identify the manufacturer and type of slag glass antiques you have, including antique glass insulators, to determine the true market value. How to Get Conch out of Shell without Breaking. If green-colored glass called the 'slag' is used to make the stained glass, it's probably made in the early 1900s.

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