This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. I grew up going to antique stores and markets with my mom and grandmother. SHADE A vintage figural spelter table lamp, the depiction of a young man holding a cluster of grapes. Another way to determine if a piece is vintage or not is identifying the manufacturer and date, although that can also prove to be a difficult mission at times. Slag glass, also known as marble glass or Cinderella glass, is an opaque, swirl-patterned glass. Outstanding full floral Duffner and Kimberly dogwood lamp. These are 2" in diameter at the fitters, and 1 . Inspect the glass closely and see if you can spot tiny specks of color - known as 'confetti' glass - a sure fire sign that the lamp is genuine. Slag glass gets its name from slag. Brown and purple are the most common colors for vintage pieces but Sowerby, as well as other manufacturers, also created some pieces in blue and green with the typical white streaking. Diyquickly.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to amazon.com, endless.com, smallparts.com, myhabit.com, and any other website that may be affiliated with Amazon Service LLC Associates Program. This is due to the rarity of the color. In this case, the slag used for marbling glass is produced when iron is heated during the production process. 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. 1235 - 8 1/2 Florentine White Moonstone Vase Lamp. [more like this] A pair of figural spelter oil lamps, with Est. 7 Avon Collectible Bottles Worth Thrifting. With the first versions of slag glass being an opaque brown with cream to caramel-colored streaks, slag glass is also known by the names of brown malachite or brown marble vitro porcelain (brown marble). early 20th century. 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. Hanging Slag Glass Lamp, ca. If it feels bumpy or uneven, its likely slag glass. White melts into a pale lavender when it intersects with the opaque purple. American companies (Taylor, Northwood, Dugan, Akro Agate, Westmorland) began manufacturing this type of glass during the late 19th to early 20th century. H. Scantily clad figure stretching to support the shade. The white marbling pattern on slag glass is a dead giveaway. M.L. $1,200 Sale Price 14% Off . Add to Favorites Tiffany Style Bent Glass Tulip Green and Beige Slag Glass Hanging Lamp Ceiling Fixture Restaurant Light 18.5" w x 11" h 5 out of 5 stars (218 . Its important to note that the coloration of slag glass can also vary depending on the lighting, adding to its distinct charm. There are many high quality reproductions on the market . Become a national Fenton club member Fenton glassware prices 1. This website is using a security service to protect itself from online attacks. The colors of slag glass are also a great way to identify authenticity. Where the slag is really concentrated it will appear milky white. Designers would create intricate stained glass style patterns and scenes within lampshades. Figural Spelter Lamp, boy holding a cornucopia, ART DECO FIGURAL MAIDEN TABLE LAMP: Patinated, ORIENTALIST AUSTRIAN COLD PAINTED SPELTER, Sgd. It can seem strange to think of putting metal byproducts into a beautiful piece of glass, but it is super common to use a wide selection of additives and compounds to give glassware unique looks. Outstanding glass and color. If the base color is brown, purple, blue, or green theres a decent chance that it is a vintage make. Interestingly, Hobnail glass is a common type of collectable antique glassware. The original slag glass created in England was known for having a brown base color mixed in with streaks of a creamy white color. How to Get Conch out of Shell without Breaking. 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+). From Art Deco to 1970s Contemporary, we tried to list as many lamp manufacturers as we could find. A Fenton hobnail 4 1/2-inch vase can go for $15 to $50. The following research topics are of particular interest: Physical metallurgy; Thermodynamics and kinetics of metastable phase; Solid metallic glasses; . Although, the majority of slag glassware was created as decorative pieces. 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. It has distinctive a distinctive knob pattern and comes in a variety of colors. Consult a professional or experienced collector if youre unsure about a pieces authenticity. Real slag glass will not have a solid color but rather a blended, marble look. The number of broken pieces. If you're a collector of antique lighting, you've likely come across slag glass lamps. Peachblow glass - This glassware was made by many companies and is very collectible. Original 1910-1920's slag glass lamp, shows one cracked glass REVERE Copper and slag glass lamp, its faceted shade with green LAMP SHADE - Leaded slag glass lamp shade, unsigned, with TABLE LAMP - A four panel, dark green slag glass lamp with VINTAGE SLAG GLASS LAMP All original wiring, Circa 1920s, Size: 22 Slag Glass Lamp, figural spelter base with couple. The marbling on originals will always be uneven and more creamy than white. 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). The history of slag glass goes back to the late 1890s in Gateshead in the northeast of England. Note the glass type 5. 73- Important Duffner and Kimberly leaded lamp. 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. 1236 - 8 1/2 Florentine Green Moonstone Vase Lamp. The worth and value of slag glass varies. One of the most common alternate names for slag glass is marble glass, for obvious reasons. This roughness is caused by the recycled materials that make up slag glass, making it different from smooth stained or flashed glass. This incredible glass. A large part of the 2,700 m exhibition area is located under Schlossplatz. 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. Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. Slag glass was extremely popular when used to create lampshades. Handel Teroca lamps were so successful that the next line of lamps introduced were called Teroma. Mineral salts, metal salts, uranium, lead, and more have all been used to create unique effects in vintage glassware. Slag glass was originally created in the United Kingdom in the 1890s by adding this slag substance during the glass-making process. Hobnail glass was popular in Victorian times, then, it was called "dewdrop glass." When Fenton introduced it in 1939, it became a hit. Art nouveau floral filigree frame shade. Don't turn your nose up at these vintage perfume and cologne bottles from Avon. early 20th, FIGURAL SLAG GLASS LAMP. Always remember to inspect glassware in a room with good lighting. Happy cleaning! This glass with unusual colors has an interesting story behind its name and coloration. Click to reveal It was my grandmothers and is over 60 years old. However, its important to note that some sellers may falsely advertise a piece as slag glass, so do your research before making a purchase. A similar look was created around the same time by U.S. manufacturers Northwood and Dugan. Polly Pocket: History & Value of Barbies Biggest 90s Rival. This type of art glass is highly sought after by collectors, so its definitely worth taking the time to learn how to identify it. 2)Inspect the color: Vintage slag glass can really only be found in brown, purple, green, and blue. If youre looking to add some character to your home with slag glass, heres how to identify slag glass. Ruby Red LLC is compensated for referring traffic and business to these companies. Because slag glass is made from recycled materials, it often contains small bubbles or imperfections on its surface. Glass manufacturers were thought to have added slag from iron smelting to molten glass. Some stained glass pieces may appear very similar to all of the small pieces in beautiful patterns. I'm Stacy Jones and I love antiques! I'm Stacy Jones and I love antiques! I grew up going to antique stores and markets with my mom and grandmother. Marble design mushroom shade has a 7 1/2'' dia. 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. There continues to be a vibrant market for antiques of all varieties due to their breathtaking beauty and exquisite designs. Happy collecting! Most antique slag items are brown, blue, green, or purple. I would say the lamp is from the 30's or 40's. glass glasses lamps marks plates. The mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. For example, simple things like a bowl sold for around $20 apiece. 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. Slag glass antique lamps sell Between $200 and $2,000, and most of the value is in the light itself. Shade measures 7 1/4" x 16 1/2". Your caramel slag glass paneled lamp dates from the 1910s through the 1920s. Antique slag items are usually brown, blue, green or purple. If exposed to a black light, the glue residue would show on a newer lamp. Some famous makers include Tiffany Studios, Bradley Hubbard, and Handelwhose originals in good condition are very sought after. Traditional slag glass gets its creamy colored streaks from something called slag. Save my name, email, and website in this browser for the next time I comment. 2. Have you ever seen a piece of glass and wondered where it came from? 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. Imperial's success was guaranteed by one its first orders -- approximately 20 different items to be supplied to almost 500 F. W. Woolworth stores. Another common use for slag glass was for various lighting pieces. If the glass is opalescent (has more than one color), it is probably made after 1880. A beautiful pieceno matter the age or valuehas the ability to brighten a room and add character to interior decor. You'll be able to tell if this bronze is real if you notice a naturally occurring patina (greenish brown film that results from oxidation). Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. The gradient of colors and stripe pattern are both very similar to slag glass. Though it's easily mistaken for other glass products produced around the same time period, such as stained glass, slag glass has its own unique look and slag glass items can fetch a wide range of prices. FIGURAL SLAG GLASS LAMP. The value of vintage slag glass, as with any antique, will depend on the quality of its condition, time period, and most importantly, the manufacturer. 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! Slag glass is created when steelmaking byproducts are melted down and formed into translucent blocks or shards. Your lamp appears to have six panels and looks to be in very good condition. 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. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. CO. SLAG GLASS LAMP Base marked M.L. Lamp measures 5 1/2'' h. x 11'' x 5'', globe measures. 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. But in case you are looking for a list of vintage lamp manufactures from the mid-1800s to the present day, we've provided that below. The older piece, the greater value it has. Add your item here. As technology and manufacturing changed over time, new colors have been introduced to the slag design. 4. Pieces from well-known manufacturers or in rare colors may fetch a higher price. Pictures of both the inside and outside of the lamp. Take a walk down the brick-lined memory lane with these vintage Lego sets. Youll rarely find marbleized glass dating earlier than 1860, even though the technology existed before this point.2. 5.Your shipping address for return shipping quote. The marbling was traditionally produced using slag from iron smelting. Step 3. Performance & security by Cloudflare. Determining slag glass worth will vary in difficulty depending on what youre looking for. This slag is predominantly binary compoundsof elements such as silicon, sulphur, and aluminium reacting with the sides of foundry molds. The factory at one time was owned by the former West Virginia Glass Company. His masterpiece is the Lutheran Ludwig's Church, which stands at the centre of a rectangular plaza. The first test in evaluating shades is to closely inspect the quality of the leading, the soldered seams holding the pieces of glass together. The marbling should be a creamy white color that is evenly mixed into the base color. This common characteristic of slag glass can add to its unique appearance. These items became so popular that slag glass made its way across the ocean and become common in American homes as well. Grandmother's old lamp not "true" slag glass but still catches eye of appraiser to the tune of $300-$400. You can tell the age/authenticity of stained glass by looking at the glass that's used. The chart below highlights some recently sold slag glass items. Slag glass was made by British companies Sowerby, Davidson and Greener during the Victorian era, around the 1880's . This leads to marbling in the colors of the glass. As with many other types of vintage glassware, the slag glass technique can be found in all sorts of different pieces, decorative or functional. This created the marbled effect and bright variations in color that make slag glass so unique. antique chandelier lamp parts, ornate embossed brass bobeches for lights. This antique glass is known by other names including: Brown malachite Brown marble vitro porcelain Mosaic glass Marble glass Variegated glass Image Credit What Is Slag Glass Made Of? Free shipping on many items . Instead, the glassmaking duo from Pennsylvania combined two colors of molten glassone white and one opaqueto create the same marbled effect. 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''. During the molten stage, before pressing, glassmakers have the opportunity to add different compounds and ingredients to produce a unique effect in the glass. When iron-ore is smelting during steel production, the remaining residue is a glass-like, glossy material. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. Then, gently wash the piece using warm water and mild soap. Accept Read More, We hand-pick antiques for our readers and may, Popular Glass of the 19th and 20th Centuries: A Collectors Guide (Millers Collectors Guides), Most Popular Vintage Corning Ware Patterns (and Price Ranges), Antique Price Guide with Pictures: A Look at Antiques Worth Money, The Best Antique Price Guide Books for Appraising, Blue Willow China: All About This Timeless Classic, Flexible Flyer Sleds: A Closer Look at History, Value, and Quality, What Is Carnival Glass? Slag glass producers mark their products with the companys initials or the companys logo. Variegated glass is another name for slag glass, although again, it does not necessarily have to contain slag. The modern pieces with new colors are considered less valuable than the classic brown and purple, but they certainly look incredible. Markings for Bigelow and Kinnard, Kramer, Steuben, Bradley and Hubbard, Stickley, Gorham .
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