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. Sold with variegated glass having a floral form slag glass shade, above the spelter metal figural standard having a ve having a floral form slag glass shade, above the spelter metal figural standard FIGURAL TABLE LAMP DEPICTING A METAL SMITH IN HIS SHOP FORGING A SCIMITAR BLADE UNDER A HAOrientalist Austrian cold painted spelter figural table lamp depicting a metal Table Lam Table Lamp, early 20th c., the cranberry font on four figural columnar supports to a plinth on a highly figured black marble base on paw feet, on a highly figured Lamp NEW YORK, CIRCA 1920 An American Art Deco patinated spelter figural lamp. To determine if an item is true slag glass or if its a combination of two molten glasses, consult a vintage glass appraiser. Jeannette Glassware, originally Jeannette Bottle Works, was founded in 1888. Don't miss out on this valuable resource - visit our research tools today! They also began producing opaque golden, creamy colored glass known as caramel slag that allowed the passage of enough light to give a room a soft, warm, golden ivory glow. . Manufacturers experimented with different methods to achieve this malachite-like look. Antique Slag Glass Lamp, 8 panel umbrella. Imperial Glass - Guide to Value, Marks, History - WorthPoint This is the most obvious giveaway when trying to spot slag glass. Art nouveau floral filigree frame shade. CO. SLAG GLASS LAMP Base marked M.L. To dry, use a soft cloth and carefully pat the glass dry. 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. Overview. 1236 - 8 1/2 Florentine Green Moonstone Vase Lamp. Have any questions? Set of four antique embossed brass hanging lamp socket covers, 3 3/4" in diameter overall. The visual marbling of this slag is reminiscent of slag glass, however, the presence of actual slag in slag glass pieces depends on how it was created. Slag glass was originally created in the United Kingdom in the 1890s by adding this slag substance during the glass-making process. -All mosaic and slag glass "Handels" should be viewed with some skepticism. 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. Handel Lamps - oldlampvalues Pulverized silicate slag is white in color, and will show up creamy in the finished glassware. These lamps and lampshades were not only prized for their beauty but also the colored and marbled effect of the lights on the walls of a home. His masterpiece is the Lutheran Ludwig's Church, which stands at the centre of a rectangular plaza. This would still give the marble effect without the use of actual slag. There continues to be a vibrant market for antiques of all varieties due to their breathtaking beauty and exquisite designs. Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. An avid antiques collector herself, Kate has written about antiques for many years. The history of slag glass goes back to the late 1890s in Gateshead in the northeast of England. Fenton Art Glass Identification and Value Guide - The Spruce Crafts 1230C - 10 1/4 Ceramic Green Tone Vase Lamp. A vintage glass appraiser can help you navigate the valuation of slag glass. Figural Spelter Lamp, boy holding a cornucopia, ART DECO FIGURAL MAIDEN TABLE LAMP: Patinated, ORIENTALIST AUSTRIAN COLD PAINTED SPELTER, Sgd. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. Purple is the most common slag glass color. 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. Always do your research and be cautious when purchasing or collecting slag glass. Slag glass was made by British companies Sowerby, Davidson and Greener during the Victorian era, around the 1880's . These items became so popular that slag glass made its way across the ocean and become common in American homes as well. Slag Glass - Kovels The older it is, the higher in cost. She has also managed an online antiques community. Look for manufacturing labels and company embossed stamps and raised imprints on the lamp. Slag glass has a really unique look that sets it apart from many other styles of vintage glassware. Sowerby also created several other color formulas including Giallo (yellow), Pomona (green), and Sorbini (blue). A Hanging Slag Glass Lamp, circa 20th Century Six sides of milky slag glass in a metal frame with a copper finish. Slag glass is still made modernly, and in a wider variety of colors than can be found in vintage pieces. 1551 Extended Return Eligible. Examine the color. Opalescent or iridescent glass can be worth more. 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. Antique slag items are usually brown, blue, green or purple. If youre still unsure if a piece is slag glass, consult with a professional or experienced collector for their opinion. Some stained glass pieces may appear very similar to all of the small pieces in beautiful patterns. I can best help you after you email pictures To complete your quote for restoration if you include the following. Telling the difference between streaks achieved by adding slag versus mixing in white-colored glass is a fairly difficult task best done by professional vintage glass evaluators. antique lamp parts, sockets, and prisms - Laurel Leaf Farm These three manufacturers are very well known in the United Kingdom. How to Identify Slag Glass Types and Worth | Heirlooms at Home What is Slag Glass? Price Guide and History - Invaluable 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. 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. As with any glass type, or art in general, different circumstances and people have adopted different names for slag glass. They are a great way to add color to any room. Examine the lamp base and verify that it has a real bronze finish. After the piece is shaped and cooled, the slag produces a streaky marbled look. Ding dong! The original factory was in an old glass factory in Martins Ferry, Ohio in 1905. Production of slag glass originated in late 19th century England. See also Antique Gone with the Wind Lamp for Sale: A Guide for Buyers and Collectors. 8 Tips for Identifying an Antique Lamp I grew up going to antique stores and markets with my mom and grandmother. Slag glass antique lamps sell between $200 and $2,000, and most of the value is in the light itself. 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). Cranberry Glass Foyer Lamp - Kovels Sotheby's, New York, NY (December 2017) Estimate: $300,000 - $500,000. Depending on the rarity of the item, slag glass is worth anywhere from $50 to $1500. It has a unique, earthy appearance and can be found in a variety of colors. Antique Waltham Pocket Watch Value (Identification & Price Guides), Antique Typewriter Value (Identification & Price Guides), Antique Brass (Identification & Price Guides), Antique Hutch Value (Identification & Price Guides), Antique Paperweights Value (Identification & Price Guides), 15 Rarest Vintage Bratz Dolls Worth Money, Benrus Watch Value (Identification & Price Guides), Antique Blue Willow China Value (Identification & Price Guides), Antique Car Blue Book (Car Value & Identificatiron), Old Buttons Value (Identification & Price Guides), Skeleton Key Value (Identification & Price Guides). (History, Series & Value). This common characteristic of slag glass can add to its unique appearance. By clicking Accept, you agree to our website's cookie use as described in our Cookie Policy. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. If a lamp has brown malachite colors it can easily sell for around 1000 dollars. A glass decoration plant opened in early 1968. Slag Glass Panel Lamp By the Empire Lamp Company with Two Color Shade. So keep your eye out for glass made by these companies from the 19th century. Caramel 'Slag Lamp' Value Lights Up - Antique Trader Real slag glassware will also never just be one solid color, it will always be blended. For todays collectors, slag glass is a greatly sought-after item that can go for a lot of money. 100 Professional Tiffany-Slag Curved Glass Repairs Atterbury & Company, Challinor Taylor & Company, and H. Northwood Glass Company are some well-known manufacturers from the United States. The marbling on originals will always be uneven and more creamy than white.
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