The wiring is not original to the lamp; originally it would have had cloth covered wire. Glass Collectible Antique Lamps, Glass Tobacco Pipe, Coca-Cola Glasses; Additional site . If the piece is pink, orange, or red it is not vintage. Most slag glass replacement panels are completed the same week. Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. Examine the area under the burner, and look for a collar. Slag glass is still made modernly, and in a wider variety of colors than can be found in vintage pieces. However, its important to note that some sellers may falsely advertise a piece as slag glass, so do your research before making a purchase. This mark is usually made at the bottom of the lamp. Many of the same designs for milk glass were also produced in slag glass. Leave it in the comments below! This list is limited to only a few results.Many more items are available to our members through our Mineral salts, metal salts, uranium, lead, and more have all been used to create unique effects in vintage glassware. Two vintage brown Sowerby figurines can sell for two completely different processes depending on how the marbling came out. A similar look was created around the same time by U.S. manufacturers Northwood and Dugan. 2002-2023 LoveToKnow Media. 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. 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. The base of slag glass is an opaque color, and the streaks are typically a milky white or cream color. Happy cleaning! Save my name, email, and website in this browser for the next time I comment. Golden glass pieces should have a translucent, amber sheen to them in order to be authentic. Check out nostalgic collectibles from one of America's most successful direct sales companies. Antique slag items are usually brown, blue, green or purple. Production of slag glass originated in late 19th century England. The action you just performed triggered the security solution. Vintage pieces can also be commonly found in a dark purple color. I'm Stacy Jones and I love antiques! Slag glass has a rich history that makes it extremely valuable to collectors. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Explore other items from ourAntiques & Collectibles Price Guide. Have any questions? This would still give the marble effect without the use of actual slag. Slag glass is not completely opaque like frosted glass. The chart below highlights some recently sold slag glass items. The marbled effect is gorgeous on its own, but shining light through a complicated and colorful design is even more stunning. Look for age-related wear or markings on accompanying hardware, such as lamps or furniture. M.L. Category 20th Century American Arts and Crafts Slag Glass Table Lamps There are three ways to differentiate vintage slag or mosaic glass from modern iterations: 1)Examine the marbling pattern: While both new and older pieces will have a marble look, its certainly not enough to spot an antique. Despite its rarity, you can still find slag glass items in modern homes. The marbled pattern and swirled appearance of the glass add to its unique appeal and character. Tiffany, Roycroft or Steuben lampshades made with slag glass can command prices of up to $20,000. Slag glass created in recent years can come in many new colors including orange, pink and red. I'm Stacy Jones and I love antiques! This is something people will often wonder about. Two of these patents, numbers 656891 and 774602, clearly depict the SUCCESS burner in their accompanying patent drawing. 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. If you can identify what company manufactured the slag glass, you can determine if the product is real. The colors of slag glass are also a great way to identify authenticity. Slag glass of other colors is unlikely to be an antique. Theres a fairly large price range for slag glass, with intricate vintage lampshades fetching the highest price. George Davidson is believed to have made this brown buglein the late 19thcentury, one of the first pressed glass pieces known today. The Pittsburgh Lamp, Brass & Glass Company was assigned at least five lighting-related patents between August 28, 1900 and March 21, 1916. Some handmade collector marbles are small works of art that can command big prices. Slag glass antique lamps sell Between $200 and $2,000, and most of the value is in the light itself. There are many high quality reproductions on the market . Some stained glass pieces may appear very similar to all of the small pieces in beautiful patterns. 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. You can email the site owner to let them know you were blocked. Slag glass is a type of opaque pressed glass that includes colorful streaks that create a marbled effect. If youre looking to add some character to your home with slag glass, heres how to identify slag glass. Handel lamps with metal overlays over slag glass are from the company's "Teroca Ware" line. Both styles create the same swirl effect, and originals of both are considered vintage and valuable. Happy collecting! There is another theory that slagware, and some other glass decorated with multi-colored enamels, were made up from odds-and-ends of glass left over at the end of the day, Webber reiterates.3, The most common base colors include white, cream, primrose, and blue. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'antiqueanswers_com-large-leaderboard-2','ezslot_9',165,'0','0'])};__ez_fad_position('div-gpt-ad-antiqueanswers_com-large-leaderboard-2-0'); Challinor Taylor and Co. was an early U.S. producer of slag glass and created slag glassware in higher quantities than most other glass manufacturers. Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. Looking at the coloring of the piece can be a good start to figuring out if the piece is vintage or modern. Delivery from Downers Grove, IL 7-14 days Edit my Location. One of the most common applications of vintage slag glass is in lighting. Lot 167 : Roycroft/Dard Hunter Extremely Rare Table Lamp, Rago Arts and Auction Center , Lambertville, NJ Est: $40,000-$50,000 At first they painted glass blanks from other glass makers, but started making their own glass when they became unable to buy the materials they needed. Lamp measures 5 1/2'' h. x 11'' x 5'', globe measures spelter figure of a standing woman on art nouveau style base, double socket fixture, no visible makers mark, 23 3/4'' h. x 7 1/2''. 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. Where the slag is really concentrated it will appear milky white. Slag glass was made by British companies Sowerby, Davidson and Greener during the Victorian era, around the 1880's . 7 Avon Collectible Bottles Worth Thrifting. Egyptian patterns were also common due to the interest in the tomb of King Tut in the early 1920s. 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. 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! This marbling is one of the best ways to identify slag glass. This incredible glass. Identifying slag glass can be a bit tricky, as there are many different types and colors of slag glass. The term slag refers to the molten run-off that is produced during iron smelting as the metal cools off. There are several things to keep in mind when looking to identify whether something is slag glass or not. This color pattern led to the "brown malachite" and "brown marble" names. Some slag glass may also have opaque white sections, often in the form of streaks or patches. Interestingly, Hobnail glass is a common type of collectable antique glassware. I can best help you after you email pictures To complete your quote for restoration if you include the following. I grew up going to antique stores and markets with my mom and grandmother. Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century. 2. LAMP SHADE - Leaded slag glass lamp shade, TABLE LAMP - A four panel, dark green slag. "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. 1231A - 10 1/4 Alpha Art Glass Amber Vase Lamp. Finally, a Bradley & Hubbard slag glass lamp sold for $584, typical for that style and age of light. 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? In this guide, we'll explore the history and characteristics of collectible slag glass lamps. Tiffany Floor Lamps. There are several things to keep in mind when looking to identify whether something is slag glass or not. American companies (Taylor, Northwood, Dugan, Akro Agate, Westmorland) began manufacturing this type of glass during the late 19th to early 20th century. 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. Chances are if the glass is colorful and has a rough texture, its slag glass. Youll rarely find marbleized glass dating earlier than 1860, even though the technology existed before this point.2. Hanging Slag Glass Lamp, ca. The result is a material that lies somewhere between porcelain and glass. Question: Im looking to find some info on this slag glass lamp. 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. Pieces from well-known manufacturers or in rare colors may fetch a higher price. Its important to note that newer slag glass pieces may not have as much character or value as older ones. If exposed to a black light, the glue residue would show on a newer lamp. Start architect Friedrich Joachim Stengel has shaped Saarbrcken's cityscape like no other. It could have internal or external threads. Ding dong! Slag glass pieces can sometimes be found at flea markets, antique stores, and online marketplaces. $1,551 57% Off $3,600. These lamps rarely sell for less than 100 dollars. Have you ever seen a piece of glass and wondered where it came from? Gothic Revival Slag Glass Panel Table Lamp by Bradley Hubbard Hubbell Sockets Bradley & Hubbard Bookends-Ancient Greek Temple Columns & Arch Gadrooned and Reeded Silverplated Bronze Sconces by Bradley & Hubbard, c. 1910s Six Arm Adam Style Chandelier in Antique Nickel by Bradley and Hubbard, c. 1920s Glass manufacturers were thought to have added slag from iron smelting to molten glass. 1230A - 10 1/4 Alpha Art Glass Green Vase Lamp. The principal feature of slag class is that its made from a residue by-product of iron smelting. One of the most common applications of vintage slag glass is in lighting. Add your item here. The dimensions Length x Height. Imperial's success was guaranteed by one its first orders -- approximately 20 different items to be supplied to almost 500 F. W. Woolworth stores. Polly Pocket toys may be small in size, but they're big on value. Slag glass lamps are one of the most sought-after items made of slag glass. Slag glass producers mark their products with the companys initials or the companys logo. The term mosaic glass is much more inclusive and includes these pieces that look like slag glass but dont actually contain any slag. Slag Glass Lamp, Arts & Crafts era, geometric, EMPIRE LAMP CO. SLAG GLASS LAMP bronze base. It is relatively easy to identify slag glass if you know what to look for. Slag is used to refer to the by-product that shows up when various ores and metals are smelted. (History, Series & Value). Because slag glass is made from recycled materials, it often contains small bubbles or imperfections on its surface. Browse Similar. Fenton rose crest cornucopia candle holder 2. Take a walk down the brick-lined memory lane with these vintage Lego sets. Set of four antique embossed brass hanging lamp socket covers, 3 3/4" in diameter overall. 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. $24,900.00. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. This leads to marbling in the colors of the glass. Hobnail glass was popular in Victorian times, then, it was called "dewdrop glass." When Fenton introduced it in 1939, it became a hit. As technology and manufacturing changed over time, new colors have been introduced to the slag design. Happy hunting! What Is Slag Glass? Topped by an Art Deco style marbled yellow art glass shade. Fenton, Mosser, Boyd Glass, and Summit are some of the common, modern, U.S. manufacturers of slag glass. (See below for more info on marks.) 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. 10 Easy Steps on How to Identify Slag Glass Step 1: Look for a Marbled or Swirled Pattern One of the easiest ways to identify slag glass is by its marbled or swirled pattern. 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. Original Tiffany Lamps employed this metallic finish on the resin base. I grew up going to antique stores and markets with my mom and grandmother. If green-colored glass called the 'slag' is used to make the stained glass, it's probably made in the early 1900s. Ruby Red LLC is compensated for referring traffic and business to these companies. On the other hand, slag glass can easily leave people confused. Shade measures 7 1/4" x 16 1/2". Related Categories. The older piece, the greater value it has. If you cant see any light passing through, the glass may be frosted or pressed glass instead of slag glass. The marbling should be a creamy white color that is evenly mixed into the base color. In this guide, well cover everything you need to know about slag glassfrom its history to how its made, what its worth, and how to identify a vintage piece. Contact Us. This being the glass version rather than stone, it makes sense to call it how you . To dry, use a soft cloth and carefully pat the glass dry. Vintage Slag Glass Lamp Antique Boudoir Lamp Slag Glass Lamp Arts & Crafts Lamp Art Nouveau Vintage Lamp Ornate Lamp 5 out of 5 stars (115) $ 375.00. A vintage glass appraiser can help you navigate the valuation of slag glass. Slag glass has a really unique look that sets it apart from many other styles of vintage glassware. 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. Mixing antique pieces with modern amenities is a popular decorating technique.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'antiqueanswers_com-large-leaderboard-2','ezslot_8',165,'0','0'])};__ez_fad_position('div-gpt-ad-antiqueanswers_com-large-leaderboard-2-0'); Jeannette Glassware, originally Jeannette Bottle Works, was founded in 1888. Slag glass is pressed and untempered glassware, much like depression glass. Make an offer . Check for flaws in the glassware 6. Have you ever wondered what someone meant by slag glass? Manufacturers usually make slag glass by mixing this . Unsigned decorative glass items like compotes and vases tend to sell between $5 $50, even if they are from the 19th century. If the item is in good condition, with no cracks, discoloration, or signs of neglect, it will be worth more. Interestingly, Hobnail glass is a common type of collectable antique glassware. Real slag glassware will also never just be one solid color, it will always be blended. In the early 20thcentury, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called mosaic glass. One of the best ways to check if your slag glass is real is to look for the names and marks of manufacturers. 5.Your shipping address for return shipping quote. Identifying the Base. Assuming your lamp isn't marked, then we have to move onto other steps to figure out if it is authentic. Overview. The lustrous glass often had threads of glass in contrasting colors pulled through the surface to form a feather shape. Remember, being cautious and taking your time while identifying slag glass can help ensure you make a wise purchasing decision. Slag Glass Identification. Unlock the true value of your collection with our comprehensive research guides from identifying makers' marks to appraising all kinds of antiques and collectibles, including items featured in this article. Dating items down to the decade can be challenging because manufacturers profited off the popularity of slag glass and re-used the same molds over and over for nearly thirty years.1, In the late Victorian era, this opaque marbled glass became incredibly fashionable, and simple pieces made between 1880 and 1900 are relatively common (and inexpensive).
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