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Smaller examples called boudoir lamps, usually 14in or less in height . (A complete list of the molds sold in 1999 to other firms.). After all, part of the fun of collecting antique glass is solving the hidden mysteries embedd, What Is Vaseline Glass? Atglen, PA: Schiffer Publishing, 2003. 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 is a type of pressed glass that is known for its brilliant and vibrant colors. Vintage Slag Glass Value (Identification & Price Guides) - Noname Antiques Separations, cracks or breaks Initially, it was known as marble glass, malachite glass, or Vitro porcelain. Made by Davidson, marked. Expert's Assistant: What would you like to learn about the lamp? Manufacturer unknown for certain but very similar to Sowerby's pattern 1154. Answered in 1 minute by: 10/25/2020. A Victorian purple and white British pressed malachite / slag glass basket shaped bowl. Molds of L. G. Wright. Real or Repro. When identifying slag glass, look for a marbling effect. These are just a few of the companies that produce authentic slag glass. A glass decoration plant opened in early 1968. Atterbury & Company, Challinor Taylor & Company, and H. Northwood Glass Company are some well-known manufacturers from the United States. Lamp manufacturers often use their own shapes, carvings, custom colors or other details. Manufacturer unknown. Copper Producers. Fenton Glass Made for Other Companies 1907-1980, Identification & Value Guide Weil Ceramics, Abels Wasserburg, Edward Paul, L. G. Wright, Rubel. $24,900.00. Early 1900 slag glass hanging lamp. Not all L. G. Wright glass was made from period molds. Most lamp frames consisted of 3-8 sections of metal You'll find slag glass in blues, browns, and greens as well, though these colors are rarer than the brown/white/cream and purple formulations. Before: Removed sections of 24 broken bend glass pieces. How to Look at a House: When Did the Code First Require Electric Receptacle Outlets to be Polarized? existing metal part and, Slag glass lamps for sale REVERSE painted. Very similar to the photo on page 182 of Paul Crist's book. Some well-known slag glass manufacturers include Sowerby, Davidson, and Greeners. It formed at a very low temperature which made it faster and or Handel lamp that needs a little love. Maybe inherited a Tiffany stained glass lamp Made by Sowerby, marked. When it's removed, it leaves a mark called a pontil mark. Search Our Database. between these sections are easily repaired and can retain the same Cloudflare Ray ID: 7a2ec81f8e277d0f Two of these patents, numbers 656891 and 774602, clearly depict the SUCCESS burner in their accompanying patent drawing. that had to be alloy soldered together. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. Antique Arts & Crafts Royal Art Glass Co. Slag Glass Lamp, c1920 - 1stDibs Nostalgic Bulbs: Introduction to Lamp Wire & Cords, How to grow your own herb garden in any indoor or outdoor space, How to Identify Antique Hand-Painted Lamps. This created the marbled effect and bright variations in color that make slag glass so unique. List of Famous Lamp Makers - Dr. Lori Ph.D. Antiques Appraiser 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. It is a rather nice example of lamps of this type and I would place a value of $300 to $400. A Victorian purple and white British pressed malachite / slag glass half pint tumbler. West Virginia Museum of American Glass. Manufacturer unknown, possibly French factory Sars-Poteries. Made by Sowerby, pattern number 1223. Glassware Marks and Signatures. 2023 - WorthPoint Corporation | 5 Concourse Parkway NE, Suite 2900. Grandmother's old lamp not "true" slag glass but still catches eye of appraiser to the tune of $300-$400. strength as when manufactured. 205 - Grouping of Glass Flowers Leaves Slag Grouping of Glass Flowers and Leaves, some appear to be Slag glass. The older piece, the greater value it has. According to Norman Webber, some companies referred to slagware as end of the day wear because glassmakers collected slag from the surface of iron right before they poured it at the end of the day. Made by Davidson, marked. Slag glass, also commonly known as Malachite glass, is pressed glass made in the same way as Milk glass, but with coloured streaks to create a marble effect. Slag glass, a less elaborate overlay. It is not signed. Slag glass lamps are one of the most sought-after items made of slag glass. Shop Similar at WAYFAIR Up to 70% OFF Every Day at Wayfair Identify your Imperial Glass Marks. This incredible glass, Moser glass is considered one of the most collectible types of glass ever molded; from gilt antique vases to delicately blown tumblers, the high quality and beautiful designs of these pieces make t, 7 Most Valuable Rare Antique Fishing Lures You Might Actually Own. Manufacturer unknown, similar to a design by W. H. Heppel & Co. A Victorian purple and white pressed malachite / slag glass jug. Slag Glass Lamp (1 - 40 of 587 results) Price ($) Shipping All Sellers early 1900's slag glass lamp catchreleasecollect (73) $1,275.00 1920's-30's Houzex Slag Glass Lamp/Smoking Stand Part ARTCPACKRAT (1,548) $21.99 FREE shipping Antique Old American Art Nouveau Floral Bent Slag Glass Lamp Shade & Base Lamp LeeFamilyAntiques (605) $595.00 In most cases Most companies have halted the production of slag glass items altogether. Glassware Marks and Signatures - The Spruce Crafts A Victorian purple and white British pressed malachite / slag glass tumbler. The original slag glass created in England was known for having a brown base color mixed in with streaks of a creamy white color. Your caramel slag glass paneled lamp dates from the 1910s through the 1920s. Most antique slag items are brown, blue, green, or purple. A Victorian purple and white pressed malachite / slag glass spill vase. parts presents an extensive restoration process were removing an A Victorian turquoise and white British pressed malachite / slag glass bowl / trough. I would say the lamp is from the 30's or 40's. glass glasses lamps marks plates. Your IP: Lampshade Specialties explains that antique electric lamps often had a cotton-wrapped cord. Most lamp frames consisted of 3-8 sections of metal A Victorian blue and white pressed malachite / slag glass small tankard. How to identify a slag glass lamp - Mylampsale.com Slag glass comes in many colors such as chocolate or caramel, purple, blue, pink, and red. The Materials Used While materials like iron and clay have been around since antiquity, other materials haven't been around for quite as long. Tiffany lamps' value can be anywhere from $4,000 to over $1 million. A pair of Victorian purple and white British pressed malachite / slag glass spill vases. Made by Sowerby, pattern number 1258, marked. In 1889 Davidson's introduced one of their most popular and successful lines, a colouring which they called "Pearline". White metal with filigree work was Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. Antique Week - News Article The most expensive Tiffany lamps sell for upwards of $1 million. I have a vintage slag glass desk lamp with the mark cCco on Table lamps made by renowned designers usually have a date stamp, a product number or the manufacturer's name listed on them somewhere. Dirk Van Erp Studio. A Victorian purple and white British pressed malachite / slag glass pin dish. American slag glass lamp, metal filigree trim, period metal base,. and resources. Real slag glassware will also never just be one solid color, it will always be blended. They made clear and colored glass of many varieties, such as milk glass, pressed glass, and slag glass. Semicircular ceiling lamp in glass. See if holding onto your favorite action figures as a kid has paid off. Maybe inherited a Tiffany stained glass lamp 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? These three manufacturers are very well known in the United Kingdom. True slag glass is richly marbleized, deeply colored glass rather than glass that is colored with pale swirls or streaks, which is also known as malachite, marbled and variegated glass. This is because the top manufacturers of the day often did leave any identifying brand marks on the fixtures. If a plug is polarized, it will have one plug larger than the other. 73- Important Duffner and Kimberly leaded lamp. Made by Davidson. Original Price BRL 502.41 After . In 1905, John and Frank Fenton of Ohio opened the Fenton Glass Company. It should not have white streaks mixed into the color, nor should it be one solid color. Restoring bent slag glass antique lamps with museum quality SINCE 1978. Signed slag glass tends to be worth more than unmarked slag glass. It was my grandmothers and is over 60 years old. Antique Arts & Crafts Royal Art Glass Co. Slag Glass Lamp, c1920. Public Auction Sale: On-Line February 2023 Consignment - Hellertown, PA Manufacturer unknown. On the interior of the break in most cases I create a bridge Mychelle is a writer and web designer who is passionate about a wide variety of topics and enjoys sharing her knowledge with readers. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the site work correctly for browsing and transactions. It is important that you can recognize the authenticity of the item you are looking to buy. By Hiddenchakra 8 months ago. Malachite / Slag Glass Identification Guide + Gallery As you search for a lamp maker's mark, remember that it may be covered up by dust or dirt, so have a cleaning cloth and gentle cleaning solution handy. Antique Gas Lamp. However, the popularity waned at times. It's quite beautiful. Take full advantage of our site features by enabling JavaScript. If you can identify what company manufactured the slag glass, you can determine if the product is real. There have been many well-made slag glass lamps over the years, but those made by Bradley & Hubbard, Miller Lamp Company and Handel Lamp Co. are often thought to be among the most beautiful. 17 1/2" diameter 24" high. Manufacturer unknown. MushusBoutique. BRL 401.93, BRL 502.41 So keep your eye out for glass made by these companies from the 19th century. Maker or style/age of this Lamp? Early 1900 Tiffany lamp repairs. I will include suggestions and comments along with links regarding shipping and packaging. Manufacturer unknown. So, even if the rest of your lamp looks old, don't let that confuse you. The value of slag glass antiques ranges from $20 - $20,000. The value of slag glass items can also be determined by the condition of the item. For many glass collectors, finding a beautiful treasure with antique glass markings is a special treat. Step 1 Quote & Pricing A green and white Czech pressed malachite / slag glass vase. My knowledge of lighting , materials and Slag Glass Lamps - Ideas on Foter Identification Tips & History Highlights, One of the most unusual types of antique glass that collectors can investigate, Vaseline glass is absolutely fascinating due to its color, history, and radioactive components. Maker or style/age of this Lamp? Metal and glass,unknown maker. Learning how to identify and value this glass can help if you are looking to collect or just learn more about this interesting glassware. Metal and glass,unknown maker. Manufacturer unknown. But you Handling Antique Glass Antique glass should be handled as if it has been 2023 Active Interest Media All rights reserved. Gas Lamp With Milk Glass Shade. I inherited a green, leaded glass, globe lamp shade that I imagine is perhaps 100 years old. Sales, Koscherak Brothers, and F. Pavel. Tiffany Studios Lamp Mark Duffner and Kimberly. You can determine antique slag glass with a few steps: Slag glass antique items can run anywhere in value from a low of $50 to a high of $1,500. Art Deco Vaseline Slag Glass Smoking Stand Ashtray Electric Lighter. By solartoys 10 years ago. Other clues may include a delicate polychrome finish or gilt, which could indicate Depression era lamps. White Metal Repairs by Len Daley This list is limited to only a few results.Many more items are available to our members through our Price Guides! Made by Imperial Glass, marked. Original Price BRL 898.69 For example, manufacturers also made slag glass by mixing metal oxides with enamel glass. The wiring is not original to the lamp; originally it would have had cloth covered wire. 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. They can replace doors; add glass inserts, decorative moldings and other . Despite its rarity, you can still find slag glass items in modern homes. A Victorian blue and white British pressed malachite / slag glass bowl or spill vase. Some old lamps are not just beautiful, they are valuable, too. Victorian bronze slag glass lamp indistinct mark H: 22 in. The Glass Manufacturers Gallery | Vaseline Glass Collectors, Inc. A Victorian blue and white British pressed malachite / slag glass spill vase. w/ 3 Tulip Glass Shades* Very Good Condition- Works great. This illustrated guide provides marks found on both antique and contemporary collectible glass and includes dating information if known. Ask Your Own Antiques Question. original metal finish the repair may be less noticeable. Davidson Glass information from the Glass Museum on line 2023 LoveToKnow Media. The artist, year, and value. These included Atterbury & Company, who was one of the United States' earliest producers of slag glass. I inherited a green, leaded glass, globe lamp shade that I 28 bids. The highest price ever paid for a Tiffany lamp remains $2.8 million at a Christie's auction in 1997. This is listed on the bottom of most slag glass items, especially lamps. Many of the same designs for milk glass were also produced in slag glass. Antique Glass Insulators and Their Electrifying History, Antique glass insulators are a low cost but very popular collectible that come in a myriad of fun shapes and colors. 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 Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century. Sale Price BRL 2,401.91 Machine and Mould, Island Mould and Machine, National Mould and Machine, and Stiehm & Son. Very ornate antique brass and marble Bridge Lamp, circa 1920s, with She has also managed an online antiques community. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. Lawrence Gale Si Wright (1904to 1969) began buying and selling glass seconds in 1937. Another early slag glass was the purple malachite glass by Sowerby, which was sold in the United States under the name "blackberries and cream." Tiffany Studios Bronze Slag Glass Planter Grape Pattern - Fair Cond. Slag Lamps products for sale | eBay Outstanding glass and color. This website is using a security service to protect itself from online attacks. Performance & security by Cloudflare. Custom Mold $135 Bent Glass Panels $105 Metal work $50 hr. Akron Diamond 120 Gas Table Lamp. Gilded bronze. Just the opposite is true. Depending on the rarity of the item, slag glass is worth anywhere from $50 to $1500. Milk Glass Lampshade. Akro Agate standing ashtray from the 1930s- slag glass, onyx & cadmium(?) These easily sell for thousands when in excellent condition, with Tiffany being the top of the line, of course. Sowerby in Gateshead, England is believed to be the first glass foundry to create slag glass. Antique Lamps Online | Antique Vintage Lamps Antique slag items are usually brown, blue, green or purple. answer. 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. Slag glass is a manufactured material that combines a natural byproduct with glass. Here is a list of several authentic Handel marks. To complete your quote for restoration if you include the following. Other times when tears or breaks occur How Much are Slag Glass Lamps? Slag is the byproduct of steel production. maker signed, c19. . Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. Slag-Glass Lamp - Elizabeth Appraisals L. G. Wright Glass. Powered By OpenCart My slag glass lamps for sale change and update 2023, Tiffany, Handel, Bradley & Hubbard lamp repairs, Historical heirloom restoration and conservation. Initially they focused on painting "blank" glassware. (10% off), Sale Price BRL 2,093.21 Leave it in the comments below! . But eventually, they moved to West Virginia, which had the raw materials needed for glass production, and began producing their own glassware-with great success. Also, add in any background information you have, and add in a question so we know what you want from . 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. Manufacturer unknown. The small dish is unmarked. Ruby Red LLC is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. The dimensions Length x Height.3. 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. Antique Lamps Value and Identification Guide This material takes on different colors depending on the minerals and elements that are present in the iron. Antique Identification Marks Guide | LoveToKnow Antique Works and Values, Antique Glass and China Types, Values & Histories. There are some numbered lamps that aren't on our site. 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. View more in our L. G. Wright Glass Price Guide. Working for churches, architectural lighting companies, A Victorian purple and white British pressed malachite / slag glass spill vase. 2022 HEIRLOOMS AT HOME & AGELESS HEIRLOOMS. Paducah, KY: Collector Books, 2005. You can determine the age of a piece of slag by finding the date of production. Not content with traditional pulled stemware, they became the first glass company to make fancy pressed stems. True slag glass is marbled and has a variety of bright colors. Once you find those marks, research the company to see if they are an authentic brand. It is unlikely that any American glass factory produced Mary Gregory -style glass before Westmoreland Glass Company's 1957 line. What Is Slag Glass? Antique Works and Values | LoveToKnow Made by Davidson. Newer slag glass has been produced by several companies in the latter half of the 20th century. that had to be alloy soldered together. A fine maker's-marked shade from one of . Sowerby of Ellison Glassworksthe world's largest manufacturer of pressed glass at the timewas the first to create slag glass, which quickly became popular. Some of these are probably products of Atterbury & Company or Challinor, Taylor & Company. view larger image of . will bring to your unique project over 40 years experience, knowledge in the middle of a section the repair will be performed on the Made by Sowerby, pattern number 1259, marked. Chicago Mosaic Company Lamps - oldlampvalues Table lamps with missing white metal Slag glass producers mark their products with the companys initials or the companys logo. any ideas? List of Vintage Lamp Manufacturers - RetroWaste My knowledge of lighting , materials and Click to reveal Best 15 Custom Cabinet Makers in Wetzlar, Hesse, Germany | Houzz Wondering what your antique table lamps' value is? You can also send photos once I've connected you. The result is a material that lies somewhere between porcelain and glass. How to Tell if You Have a Lamp That's Worth Money - The Nest . interior. 176 - Oil Lamps Group Group includes a Amber colored oil lamp 12 inches to the top of chimney no makers mark, and a Green/Gold colored lamp 17 inches high to the top of chimney, marked made in Hong Kong. Original Price BRL 2,668.79 A 1925 Sears, Roebuck and Co. catalog shows "metal table lamps" fitted with "art glass" at prices ranging from $6.90 to $19. This lamp at auction today would bring around. . A Victorian blue and white British pressed malachite / slag glass creamer jug. Original Price BRL 6,535.89 Eventually, it became known as slagware or slag glass. Metal and glass,unknown maker. Unusual slag glass lamp, angled gilt metal base and shade with. In the early 20 th century, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called 'mosaic glass'. Founts, chimneys and shades may have been made by others. 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. Remember, the most common way to make slag glass was by skimming silicate material from the top of molten iron. Depending on the 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. 1. View Similar Items . Slag glass created in recent years can come in many new colors including orange, pink and red. Copyright 2023 All Rights Reserved by These lamps rarely sell for less than 100 dollars. As the 1930s ended, Wright was buying glass from Cambridge, Fenton, Morgantown, and Westmoreland. Pictures of both the inside and outside of the lamp.2. ALL RIGHT RESERVED. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. $435.00. antiquerose 4 years ago. 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. Salem Bros. six panel slag glass lamp; shell and floral patterns,. Slag glass with no makers marks on it. Peachblow was produced between 1955 and 1963. strength as when manufactured. Prices go up significantly if a light is signed by a . Sowerby marketed their slag glass under the name 'Malachite', and this name was used for all the colours they produced, even though technically it should only apply to green, as the name comes from the marbled green mineral 'malachite'. French Porcelain & Gilt Metal Lamp - Green Slag Glass Shades-Flower Motif ; Gentleman / Musician Playing Piano* Sculpted Figural Porcelain Table Lamp. A Victorian blue and white British pressed malachite / slag glass half pint tumbler. Akro Agate standing ashtray from the 1930s- slag glass, onyx & cadmium A Victorian purple and white British pressed malachite / slag glass bowl. 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 . These were seen for sale at a flea market in 2018. Sowerby also created several other color formulas including Giallo (yellow), Pomona (green), and Sorbini (blue). Atterbury & Company, Challinor Taylor & Company, and H. Northwood Glass Company are some well-known manufacturers from the United States. Antique Lamp Supply recommends picking up the lamp and looking for a manufacturer's symbol, name or date stamp embedded into the base. February 21 . Mar . . A Victorian purple and white British pressed malachite / slag glass bowl. Thank you. It formed at a very low temperature which made it faster and Prices for slag glass lamps start at $150 and top out at $13,250 with the average selling for $1,250.