Stepped marble LAMPS.Two antique Czech glass fruit basket boudoir lamps., Cast spelter metal bases with figural handles, (one pair of handles as is). Polly Pocket: History & Value of Barbies Biggest 90s Rival. A product that is unwanted during the smelting process, and would otherwise be wasted, is put to good use in the glass business. Cabinet-Sized Slag Glass Specimen E1700 | eBay I have a vintage slag glass desk lamp with the mark cCco on the plate that holds the shade on. 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. Shades: . Many lamps are marked as much as three times (on the base, shade, and metal fitter rim). It should not have white streaks mixed into the color, nor should it be one solid color. It can also be called Malachite glass, in reference to the stone. Verna Mae Wright died in 1990. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. The value of slag glass items can also be determined by the condition of the item. The marbling is sometimes compared to tortoiseshell. Explore other items from ourAntiques & Collectibles Price Guide. 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. Consult a professional or experienced collector if youre unsure about a pieces authenticity. According to the Glass Encyclopedia, Slag glass is made by mixing pulverized silicate slaginto glass-pressing. This is listed on the bottom of most slag glass items, especially lamps. Marble design mushroom shade has a 7 1/2'' dia. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Ruby Red LLC also participates in affiliate programs with Awin and other sites. Identifying the Base. Hanging Slag Glass Lamp, ca. It wasnt longer before Davidson, Sowerby and other glass makers began experimenting with different colors, combining streaks of creamy opal with purple, yellow, blue, and green. Slag glass can be easily confused with other types of opaque glass, such as frosted or flashed glass. 100s Of Great Lamp Sockets - Original Antique Lamp Socket Tutorial The smooth, uneven swirls enveloping the glassware give slag glass an unmistakably look, with no two ever being quite the same. Consulting with a professional or experienced collector can help determine the approximate value of a particular piece of slag glass. I grew up going to antique stores and markets with my mom and grandmother. 4,089. Two vintage brown Sowerby figurines can sell for two completely different processes depending on how the marbling came out. Slag glass is pressed and untempered glassware, much like depression glass. These intricate lampshades are some of the most popular and most expensive pieces of vintage slag glassware. These tips and tricks can help to ensure further that a piece is indeed slag glass. Imperial Glass - Guide to Value, Marks, History - WorthPoint 73- Important Duffner and Kimberly leaded lamp. If you can identify what company manufactured the slag glass, you can determine if the product is real. Happy hunting! Slag glass, also known as marble glass or malachite glass, is a type of opaque, streaked pressed glass. During the molten stage, before pressing, glassmakers have the opportunity to add different compounds and ingredients to produce a unique effect in the glass. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. If the glass is opalescent (has more than one color), it is probably made after 1880. Very similar to the photo on page 182 of Paul Crist's book. Once you find those marks, research the company to see if they are an authentic brand. To dry, use a soft cloth and carefully pat the glass dry. This website is using a security service to protect itself from online attacks. The lamp stands 20.5" tall and weighs only 4 lbs in total. Don't turn your nose up at these vintage perfume and cologne bottles from Avon. In this case, the slag used for marbling glass is produced when iron is heated during the production process. Opalescent or iridescent glass can be worth more. The marbled pattern and swirled appearance of the glass add to its unique appeal and character. Theres a fairly large price range for slag glass, with intricate vintage lampshades fetching the highest price. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. Color, age, and manufacturer are definitely important in determining the value of a vintage piece. Arts and Crafts Limbert Style Slag Glass Lamp For example, simple things like a bowl sold for around $20 apiece. Happy hunting! $24,900.00. Estimate $400/600 Sold with Premium 258.30 Closed October 27, 2022 171. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. 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). Malachite stones have wavy striping in a green-tinged milky white on top of a darker green. Co. 240, rewired, new AMERICAN EARLY 20TH CENTURY SLAG GLASS LAMP With a 16 inch slag Nice, original 8 panel caramel slag glass lamp, circa 1920-30, in 384. Price Guides! Antique lampshades are perhaps one of the most common fixtures for vintage and valuable slag glass. Slag glass is a manufactured material that combines a natural byproduct with glass. Peachblow glass - This glassware was made by many companies and is very collectible. Shade measures 7 1/4" x 16 1/2". You may also wish to polish the piece with a small amount of mineral oil for added shine and protection. Determining slag glass worth will vary in difficulty depending on what youre looking for. Thanks for reading! Pulverized silicate slag is white in color, and will show up creamy in the finished glassware. Fenton Glass Collecting Guide [Identification & Values] - Heart List of Vintage Lamp Manufacturers - RetroWaste 2002-2023 LoveToKnow Media. Fenton Art Glass Company - Wikipedia Tiffany lamps are famous for the vibrant colors and varied textures used in the glass design. The marbling should be a creamy white color that is evenly mixed into the base color. Slag Glass information from the Glass Encyclopedia Antique Slag Glass Lamp, 8 panel umbrella. The dimensions Length x Height. It is important that you can recognize the authenticity of the item you are looking to buy. How to identify Fenton glassware 1. They are a great way to add color to any room. Always remember to inspect glassware in a room with good lighting. Slag glass, also known as marble glass or Cinderella glass, is an opaque, swirl-patterned glass. Slag glass is no longer produced as it once was. To differentiate, compare the texture, pattern, and color of the glass to those of known slag glass pieces. Maybe inherited a Tiffany stained glass lamp or Handel lamp that needs a little love. Have you ever wondered what someone meant by slag glass? If the item is in good condition, with no cracks, discoloration, or signs of neglect, it will be worth more. At first glance the two can appear similar, but a close examination of the glass opacity will often be enough to differentiate one from the other. 17 1/2" diameter 24" high. Many of the same designs for milk glass were also produced in slag glass. Recent Activity. Historical Museum Saar (Saarbrcken) - All You Need to - Tripadvisor 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? EARLY 20TH CENTURY SLAG GLASS LAMP | Pricing Guides Dictionary & Values Manufacturers usually make slag glass by mixing this silicate slag with clear glass. Slag Glass Table Lamps - 29 For Sale at 1stDibs Contact Us. All rights reserved. CO. SLAG GLASS LAMP Base marked M.L. It has become a sought after collectible for its unique appearance and history. Fenton produced quality glass, so you should not find any defects like bumps or air bubbles . Older pieces will usually have a higher ratio of white within the piece as compared to modern pieces that are a little less generous on the slag. How To Identify Slag Glass by Dr. Lori - YouTube Dont confuse newer pieces with older, vintage ones. Free shipping on many items . This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. It is hard to keep fragile glass intact for decades. The marbling on originals will always be uneven and more creamy than white. Conduct research 2. Lamps, lampshades, and chandeliers were very popular uses for slag glass. 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. 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. Stidwill's Antiques. AMERICAN EARLY 20TH CENTURY SLAG GLASS LAMP, Nice, original 8 panel caramel slag glass, 384. If the base color is brown, purple, blue, or green theres a decent chance that it is a vintage make. No other type of glassmakingincluding carnival, imperial, milk, depression, or uraniumhas this distinct creamy swirl effect. Always do your research and be cautious when purchasing or collecting slag glass. The marbling is sometimes compared to tortoiseshell. Saarbrcken campus | Universitt des Saarlandes 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. Ruby Red LLC is compensated for referring traffic and business to these companies. Generally only old lamps feature a brass collar. 1236 - 8 1/2 Florentine Green Moonstone Vase Lamp. 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''. There are several things to keep in mind when looking to identify whether something is slag glass or not. Related Categories. If you're hoping to add some historic charm to your home, antique chandeliers can be a wonderful choice. 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. Sowerby also created several other color formulas including Giallo (yellow), Pomona (green), and Sorbini (blue). The Historical Museum Saar is the museum on Saarland's history. 4. Category 20th Century American Arts and Crafts Slag Glass Table Lamps Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. Other manufacturers quickly caught on and the style rose in popularity soon following its creation. This is something people will often wonder about. French Art Nouveau "La Serenade" Figural w/ Slag Glass Shade . Companies continued to make slag glass items well into the mid-20th century. 100 Professional Tiffany-Slag Curved Glass Repairs One of the easiest ways to identify slag glass is by its marbled or swirled pattern. Take care not to break or damage the piece while examining it. Don't miss out on this valuable resource - visit our research tools today! To clean slag glass, first, remove any dirt or debris with a soft brush. Slag glass is a type of pressed glass that is known for its brilliant and vibrant colors. Avon calling. Kitschy Avon Collectibles With Nostalgic Appeal. American companies (Taylor, Northwood, Dugan, Akro Agate, Westmorland) began manufacturing this type of glass during the late 19th to early 20th century. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. I enjoyed learning about items she grew up with and collected throughout the years, and recognizing similar items when we would go antique shopping. 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. If youre still unsure if a piece is slag glass, consult with a professional or experienced collector for their opinion. The addition of iron slag into the process gives slag glass its unique features, while stained glass is made from a simpler process of colouring the glass with vitreous paints. The value of slag glass can vary greatly depending on factors such as age, condition, and rarity. This pattern looks like clouds or waves and can range from subtle to bold. The mark will usually be somewhere inconspicuous and be printed fairly small. But what makes a slag glass lamp collectible, and how can you tell if you have a genuine antique? Oftentimes the pieces labeled as variegated glass have more stripey streaks in contrast to the more organic swirls of a true marble pattern. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. Slag Glass - Kovels The molten glass is placed into forms and then pressed to get the right shape and emboss the surface with a pattern. Identifying Slag Glass. If the item does not have any names or marks, the piece likely is a fake. This glassy residue would vary in tint and colordepending on the minerals and chemicals used in steel production, resulting in a glossy, opaque, marbled effect. Mychelle is a writer and web designer who is passionate about a wide variety of topics and enjoys sharing her knowledge with readers. 7 Avon Collectible Bottles Worth Thrifting. List of Vintage Lamp Manufacturers Advertisement About Paul Phipps Whats the difference between Slag Glass and Stained Glass? Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. Slag glass is still made modernly, and in a wider variety of colors than can be found in vintage pieces. This common characteristic of slag glass can add to its unique appearance. This does use the broader definition of slag glass that includes white marbling produced through any method. Slag glass was made by British companies Sowerby, Davidson and Greener during the Victorian era, around the 1880's . In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. 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.

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