A Victorian turquoise and white British pressed malachite / slag glass vase. Miller slag glass lamp, gilt hexagonal shade, Miller slag glass lamp; caramel slag, cast, MILLER 8 BENT PANEL SLAG GLASS LAMP: Attributed, AN AMERICAN SLAG GLASS AND GILT METAL LAMP, SLAG GLASS TABLE LAMP, attributed to Miller, Arts and Crafts Handel / Miller table lamp, Miller table lamp, c. 1905-1920, six-sided, MILLER BENT PANEL SLAG GLASS OIL LAMP: Miller. Verna Mae Wright, L. G. Wright wife, directed the company following Wrights death in 1969. Egyptian patterns were also common due to the interest in the tomb of King Tut in the early 1920s. I mold. Some of the most costly slag glass pieces take the form of lampshades by well-known makers like Handel, Bradley Hubbard, and Tiffany. Hedgewalker 10 years ago. Opal an opaque white glass the first Vitro-Porcelain colour produced in 1876 followed by: Turquoise a pale blue glass in the same year. So keep your eye out for glass made by these companies from the 19th century. Remember, the most common way to make slag glass was by skimming silicate material from the top of molten iron. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. Most lamp frames consisted of 3-8 sections of metal Unusual slag glass lamp, angled gilt metal base and shade with. I can best help you after you email pictures. By solartoys 10 years ago. All glass panels are original to the early 20th century. Cheap foreign imports in the late 1990s resulted in L. G. Wrights demise in 1999. Maybe inherited a Tiffany stained glass lamp A piece of slag glass will be worth more if it is a rare color or a rare item. Slag glass has a rich history that makes it extremely valuable to collectors. Just the opposite is true. I would say the lamp is from the 30's or 40's. glass glasses lamps marks plates. They are a great way to add color to any room. A Victorian purple and white British pressed malachite / slag glass cup. maker signed, c19. Akron Gas Lamp. This leads to marbling in the colors of the glass. Check the bottom of the glass for a pontil mark, which Fenton doesn't have. American slag glass makers included Westmoreland Glass, Boyd Glass, Imperial Glass, among others. view larger image of . Have a magnifying glass handy; often the marks are very small. So, even if the rest of your lamp looks old, don't let that confuse you. Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. When identifying authentic slag glass, pay close attention to the marbling. The covered tureen is 7.5 inches tall x 6.5 inches wide. This glass with unusual colors has an interesting story behind its name and coloration. When iron-ore is smelting during steel production, the remaining residue is a glass-like, glossy material. A Victorian turquoise and white British pressed malachite / slag glass bowl / trough. Shop Similar at WAYFAIR Up to 70% OFF Every Day at Wayfair Slag glass stands out from other types of glass antiques for the beautiful marbleized color patterns. Made by Sowerby, pattern number 1231, marked. We deal in a wide range of antique & collectable glassware from all over the world, selling online via our website, eBay and Etsy. [1] The factory at one time was owned by the former West Virginia Glass Company. Manufacturers experimented with different methods to achieve this malachite-like look. existing metal part and casting a new part. 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. Westmoreland glass was made by the Westmoreland Glass Company of Grapeville, Pennsylvania, from 1890 to 1984. Made by Stlzle. American companies (Taylor, Northwood, Dugan, Akro Agate, Westmorland) began manufacturing this type of glass during the late 19th to early 20th century. it will be like a hair line. Slag glass was extremely popular when used to create lampshades. Chervenka, Mark. A POLYCHROME IRON AND SLAG GLASS TABLE LAMP, : Lot 755 Vintage Antiques Lamps & Lighting Lighting Ideas Glass Table Makers Mark Chandeliers Georgia A Miller USA 1920's bronzed metal and marbled glass table lamp RAISED MAKER'S MARK TO BASE; CIRCA 1910 Glass Lamps White Metal 20th Century Berry Paneling Table Lamp The older piece, the greater value it has. This type of glass was used to make all types of glassware, including panels for lamp shades. Any piece of glass with this trademark can be accurately dated to the period 1880 to 1891. For more information on Malachite / Slag glass, check out the following resources: www.victorianpressedglass.com - Large gallery of Sowerby and other Victorian pressed glass, with catalogue scans. The marble should never be streaky and it should blend well with the color of the glass. Most lamp frames consisted of 3-8 sections of metal 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. This website is using a security service to protect itself from online attacks. From Art Deco to 1970s Contemporary, we tried to list as many lamp manufacturers as we could find. Slag glass is no longer produced as it once was. 979664 Tiffany Studios. Manufacturer unknown. in the middle of a section the repair will be performed on the 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), Antique Price Guide with Pictures: A Look at Antiques Worth Money, The Best Antique Price Guide Books for Appraising, Online Resources for Free Antique Appraisals, 10 Most Valuable Pennies That Sold Recently, What Is Carnival Glass? The Heisey Company was the pioneer in advertising glassware in magazines nationally and did so as early as 1910. parts presents an extensive restoration process were removing an and skills can help you. Bradley & Hubbard (Attr.) WorthPoint is the largest resource online for identifying, researching and valuing antiques. officialfuel 11 years ago. Antique Arts & Crafts Royal Art Glass Co. Slag Glass Lamp, c1920. Maybe inherited a Tiffany stained glass lamp Akron Diamond 120 Gas Table Lamp. 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. The dimensions Length x Height.3. w/ 2 of the tulip panes are Cracked* In one of the 3 shades ; Needs restoration* The Lamp would sell for $795- $1200 USD. Learn more. My old world craftsmanship It's also possible that the shade of your lamp was replaced somewhere along the line, so the lamp base and shade may not be an original pair. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Most antique slag items are brown, blue, green, or purple. Slag Glass prices range from 50 dollars to 1500 dollars. Oil Lamp Maker's marks are usually to be seen on the wick winder button and occasionally elsewhere. Unsigned decorative glass items like compotes and vases tend to sell between $5 - $50, even if they are from the 19th century. 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. The electrical cords of antique electric lamps had prongs which were the same size, unlike modern plugs which have one prong larger than the other. Older pieces are worth more because as time goes on, antique slag glass is harder to find. . Verna Mae Wright, L. G. Wright' wife, directed the company following Wright's death in 1969. Slag glass lamp frame repairs | Brass - Zinc - White Metal - Pot Metal - Copper - Bronze Click HERE to view my many workbench articles Would anyone know the company that might of cast this lamp base? 2023 - WorthPoint Corporation | 5 Concourse Parkway NE, Suite 2900. $24,900.00. Prices go up significantly if a light is signed by a . Original Price BRL 2,616.52 Outstanding full floral Duffner and Kimberly dogwood lamp. In the early 20 th century, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called 'mosaic glass'. The value of slag glass antiques ranges from $20 - $20,000. 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. and resources. For instance, bronze lamp bases topped by leaded glass shades could be the hallmark of American designer Louis Comfort Tiffany. Leading American Slag Glass Makers With the export of these beautiful creations to the United States market, nineteenth-century American producers also entered into slag glass production. Ask Your Own Antiques Question. 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. For instance, some lamps always came with shades of a certain shape, whereas some other styles of lamps had two bases connected together. Made by Sowerby, pattern number 1259, marked. Turning off the personalized advertising setting wont stop you from seeing Etsy ads or impact Etsy's own personalization technologies, but it may make the ads you see less relevant or more repetitive. After: Made 1 mold bent 1 large caramel curved glass panel and 2 blue pieces. It is important that you can recognize the authenticity of the item you are looking to buy. The wiring is not original to the lamp; originally it would have had cloth covered wire. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. Made by Davidson, pattern number 234. (20% off), Sale Price BRL 4,901.91 Outstanding glass and color. When it's removed, it leaves a mark called a pontil mark. Wondering what your antique table lamps' value is? Other times when tears or breaks occur Most lamp frames consisted of 3-8 sections of metal Antique Lamp Supply recommends picking up. interior. strength as when manufactured. 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. Wrights early customers included reproduction wholesalers such as AA. Lawrence Gale Si Wright (1904to 1969) began buying and selling glass seconds in 1937. My knowledge of lighting , materials and These three manufacturers are very well known in the United Kingdom. Antique Lamp Co. provides an antique lamp identification chart that illustrates many basic lamp styles. It's quite beautiful. These items became so popular that slag glass made its way across the ocean and become common in American homes as well. Get the best deals on Slag Lamps when you shop the largest online selection at eBay.com. It was only made in two colours, blue and lemon yellow, each with a white edge. A name on the button identifies the maker of the vital lamp burner. Some well-known slag glass manufacturers include Sowerby, Davidson, and Greeners. Set where you live, what language you speak, and the currency you use. Expert's Assistant: The Antiques Appraiser can help. Antique Gas Lamp. between these sections are easily repaired and can retain the same 2 days Left RARE PAIR OF SIGNED TIFFANY STUDIOS LAMPS $1,700. Identify your Imperial Glass Marks. 2 days Left FINE ANTIQUE CHINESE MARKED BUTTERFLY VASE MARK AND PERIOD $850. Made by Sowerby, pattern number 1223. Performance & security by Cloudflare. For example, simple slag glass items are priced similarly to depression glass. Manufacturers usually make slag glass by mixing this silicate slag with clear glass. Your IP: How Much are Slag Glass Lamps? White Metal Repairs by Len Daley The small dish is unmarked. A glass decoration plant opened in early 1968. BRL 2,401.91, BRL 2,668.79 Molds of L. G. Wright. Real or Repro. (10% off), Sale Price BRL 2,093.21 As the 1930s ended, Wright was buying glass from Cambridge, Fenton, Morgantown, and Westmoreland. (Source). Signed Rainaud Antique Slag Glass Lamp In Green And Gold. She has also managed an online antiques community. By determining the year a table lamp was manufactured, you can learn a lot of information that can help you discover its value or find any replacement parts needed. My knowledge of lighting , materials and A Victorian purple and white British pressed malachite / slag glass spill vase. with copper that will give the break extra support. ALL RIGHT RESERVED. historical building groups and antique lighting dealers. Collectors Weekly reports that, while table lamps are extremely common, they are also often creatively and artistically designed, which might not only make them collectible but can also make it easier to identify the manufacturer. By far the most common colour for slag glass was purple, but it was also made in blue, turquoise, green, and brown glass. Slag glass, also commonly known as Malachite glass, is pressed glass made in the same way as Milk glass, but with coloured streaks to create a marble effect. This list is limited to only a few results.Many more items are available to our members through our Price Guides! Love Immortal: Antique Photographs and Stories of Dogs and Their People. White metal with filigree work was Well, as Tiffany lamps are becoming more and more valuable, these lamps are also going up in value. 91 - Red Slag Glass Lamp ornate metal and eight panel red shade, bottom trim one one section is loose as seen, 23 inches tall, base is . Slag glass is a man-made opaque base glass with marbelized swirls in a different color. View more in our L. G. Wright Glass Price Guide. Ruby Red LLC is compensated for referring traffic and business to these companies. Depending on the rarity of the item, slag glass is worth anywhere from $50 to $1500. Etsys 100% renewable electricity commitment includes the electricity used by the data centers that host Etsy.com, the Sell on Etsy app, and the Etsy app, as well as the electricity that powers Etsys global offices and employees working remotely from home in the US. Sale Price BRL 2,401.91 A Victorian purple and white British pressed malachite / slag glass bowl. Plus Return Shipping Tiffany stained glass lamp repairs and restoration for antique slag glass lighting. BRL 718.95, BRL 898.69 What Is Slag Glass? Manufacturer unknown, possibly French factory Sars-Poteries. Peachblow was produced between 1955 and 1963. A Victorian purple and white British pressed malachite / slag glass pin dish. Slag glass was originally created in the United Kingdom in the 1890s by adding this slag substance during the glass-making process. Many of the same designs for milk glass were also produced in slag glass. For many glass collectors, finding a beautiful treasure with antique glass markings is a special treat. Manufacturer unknown. American slag glass lamp, metal filigree trim, period metal base,. After . Manufacturer unknown. Ceiling lamp in French Louis XV style, in gilded bronze profusely decorated with delicate vegetal work.