Slag glass is not completely opaque like frosted glass. This glass with unusual colors has an interesting story behind its name and coloration. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. It was my grandmothers and is over 60 years old. Handel Teroca lamps were so successful that the next line of lamps introduced were called Teroma. Its important to note that newer slag glass pieces may not have as much character or value as older ones. The marbling should be a creamy white color that is evenly mixed into the base color. Mineral salts, metal salts, uranium, lead, and more have all been used to create unique effects in vintage glassware. Slag glass is pressed and untempered glassware, much like depression glass. SHADE A vintage figural spelter table lamp, the depiction of a young man holding a cluster of grapes. Large Signed Rousseau Art Nouveau Figural Lamp w/ Slag Glass Petal Shade. Glass Collectible Antique Lamps, Glass Tobacco Pipe, Coca-Cola Glasses; Additional site . 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.
Prof. Dr. Ralf Busch | Faculty of Natural Sciences and Technology Slag Glass Table Lamps - 29 For Sale at 1stDibs 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). Lamps, lampshades, and chandeliers were very popular uses for slag glass. 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. ART DECO FIGURAL LAMP WITH ART GLASS SHADE: An oil burning lamp raised on a brass fluted. The Historical Museum Saar is the museum on Saarland's history. Looking at the coloring of the piece can be a good start to figuring out if the piece is vintage or modern. This is due to the rarity of the color. Some handmade collector marbles are small works of art that can command big prices. Happy collecting! Mychelle is a writer and web designer who is passionate about a wide variety of topics and enjoys sharing her knowledge with readers.
How to identify a slag glass lamp 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.
Instant Appraisal and makers marks for Slag Glass Lamp | Antiques Prof. Busch working group is focused on solid metallic glass and biomaterials. Ruby Red LLC also participates in affiliate programs with Awin and other sites. 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. Save my name, email, and website in this browser for the next time I comment. Typically vintage pieces will be worth the most, but some collectors may still value the piece. Slag glass is commonly found in antique lamps and light fixtures but can also be used for decorative windows or tiles. 1930s Traditional Slag Glass Lamp; Share. 4,089. 2023 LoveToKnow Media. A beautiful pieceno matter the age or valuehas the ability to brighten a room and add character to interior decor. Consulting with a professional or experienced collector can help determine the approximate value of a particular piece of slag glass. Doyle New York, New York, NY (September 2004) If youre still unsure if a piece is slag glass, consult with a professional or experienced collector for their opinion. 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. The three lights retains their 1930s; verdigris patinated spelter female nude dancer, on new Donegan cast iron step base, one arm supports, light with frosted glass globe, 22 in. Note the glass type 5. Have you ever seen a piece of glass and wondered where it came from? A large part of the 2,700 m exhibition area is located under Schlossplatz. Delivery from Downers Grove, IL 7-14 days Edit my Location. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. You can email the site owner to let them know you were blocked. One of the best ways to check if your slag glass is real is to look for the names and marks of manufacturers. The strict definition of slag glass means that it has powdered silicate slag from iron smelting mixed into the glass to create streaks. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. Challinor Taylor & Co. was one of the most prominent American Slag glass manufacturers. If green-colored glass called the 'slag' is used to make the stained glass, it's probably made in the early 1900s. The original factory was in an old glass factory in Martins Ferry, Ohio in 1905. 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. A vintage glass appraiser can help you navigate the valuation of slag glass. For todays collectors, slag glass is a greatly sought-after item that can go for a lot of money. Vintage pieces can also be commonly found in a dark purple color.
Slag Glass - Kovels Manufacturers usually make slag glass by mixing this silicate slag with clear glass. Eventually, it became known as slagware or slag glass. H. Scantily clad figure stretching to support the shade. 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. This is the most difficult distinction to make if youre not a professional. An antique piece from the UK would typically have one of these markings: While American vintages would bear the marks of: Be sure to check out this comprehensive guide on antique glass markingsto know what to notice when appraising an antique piece of glass. How to Get Conch out of Shell without Breaking. Explore other items from ourAntiques & Collectibles Price Guide. 3)Check for markings and names: As with most antiques, manufacturers and designers will often leave some form of signature or marking, making it much easier to date and identify vintage slag glass. . Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century.
How to Tell if You Have a Lamp That's Worth Money - The Nest How I can identify bent slag glass lamp issues Slag glass replacement panels are made to order. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. In this case slag, a by-product from iron smelting, is mixed into the molten glass before pressing. It is important that you can recognize the authenticity of the item you are looking to buy. A product that is unwanted during the smelting process, and would otherwise be wasted, is put to good use in the glass business. 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. Pictures of both the inside and outside of the lamp. To determine if an item is true slag glass or if its a combination of two molten glasses, consult a vintage glass appraiser. It is a rather nice example of lamps of this type and I would place a value of $300 to $400. These colors are created through different repurposing techniques. No other type of glassmakingincluding carnival, imperial, milk, depression, or uraniumhas this distinct creamy swirl effect. 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. This being the glass version rather than stone, it makes sense to call it how you . 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. The edges may be uneven or jagged, and the overall shape may be asymmetrical. Designers would create intricate stained glass style patterns and scenes within lampshades. Happy cleaning! They are a great way to add color to any room. Included one glass screen with crack with figures of 2 seated nude maidens either side of center lamp with multi-color glass globe shade, no visible markings. Marble design mushroom shade has a 7 1/2'' dia. EMPIRE LAMP CO. SLAG GLASS LAMP bronze base marked 'Empire Lamp M.L.
Tiffany lamps: How to tell real from fake - Antique Trader The following research topics are of particular interest: Physical metallurgy; Thermodynamics and kinetics of metastable phase; Solid metallic glasses; . You may also wish to polish the piece with a small amount of mineral oil for added shine and protection. True slag glass is marbled and has a variety of bright colors. 1231A - 10 1/4 Alpha Art Glass Amber Vase Lamp.
Hanging Slag Glass Lamp, ca. These lamps rarely sell for less than 100 dollars. Assuming you have a table lamp with a large painted glass shade, then your shade should measure as 14, 15, 15.5, 16, or 18 inches. Markings for Bigelow and Kinnard, Kramer, Steuben, Bradley and Hubbard, Stickley, Gorham . Slag Glass Lamp, Arts & Crafts era, geometric, EMPIRE LAMP CO. SLAG GLASS LAMP bronze base. 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. Image 1: Tiffany Studios Hanging Head "Dragonfly" Floor Lamp. Consult a professional or experienced collector if youre unsure about a pieces authenticity. 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. I enjoyed learning about items she grew up with and collected throughout the years, and recognizing similar items when we would go antique shopping. Slag glass pottery and ornaments are perhaps one of the best examples of this, as they are two of the most common types of slag glass found in modern homes. This does use the broader definition of slag glass that includes white marbling produced through any method. Whether you just found the slag glass table lamp of the century in the back barn or at an estate sale. Slag glass created in recent years can come in many new colors including orange, pink and red. Be careful not to mistake slag glass for other types of glass that may have a similar appearance, such as milk glass or opalescent glass. As molten iron cools, a silicate slag forms on top of it. Challinor would instead combine two colors of molten glass. Peachblow glass - This glassware was made by many companies and is very collectible. The key identifying feature of this type of glass is its similarities to the patterning found in natural marble. 2. A more specific title for this type of glass would be mosaic glass. Price Guides! This type of glass was used to make all types of glassware, including panels for lamp shades. 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. Sowerby was a popular producer of this blackberries and cream slag look. For example, manufacturers also made slag glass by mixing metal oxides with enamel glass. Add your item here. 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). Add To Cart Description. Cloudflare Ray ID: 7c0b058ee94819fc A similar look was created around the same time by U.S. manufacturers Northwood and Dugan. Its worth keeping an eye out for unique slag glass pieces in unexpected places! -All mosaic and slag glass "Handels" should be viewed with some skepticism. This pattern looks like clouds or waves and can range from subtle to bold. 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. Here is everything that you could ever want to know about slag glass. This type of information could make a difference in the price of your lamp and without knowing, I must assume there is no indication of the maker on this piece.
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