The lamp holds three light bulbs and the shade adjusts in height from 18" to 24" tall. Imperial Glass - Guide to Value, Marks, History - WorthPoint answer. Cast caramel slag glass lamp with floral design on base and shade,. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. The period from the 1950s to 1970 was L. G. Wrights golden age. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. Maybe inherited a Tiffany stained glass lamp The mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. It is unlikely that any American glass factory produced Mary Gregory -style glass before Westmoreland Glass Company's 1957 line. Manufacturer unknown. Slag glass comes in many colors such as chocolate or caramel, purple, blue, pink, and red. Semicircular ceiling lamp in glass. The Materials Used While materials like iron and clay have been around since antiquity, other materials haven't been around for quite as long. A fine maker's-marked shade from one of . G. Wright Glass. Glassencyclopeida.com. Not content with traditional pulled stemware, they became the first glass company to make fancy pressed stems. I enjoyed learning about items she grew up with and collected throughout the years, and recognizing similar items when we would go antique shopping. On the other hand, Tiffany Studios decorative items sold for several thousand dollars. The Glass Encyclopedia. original metal finish the repair may be less noticeable. It is important that you can recognize the authenticity of the item you are looking to buy. How to Identify Slag Glass Types and Worth | Heirlooms at Home The Pittsburgh Lamp, Brass & Glass Company - The Lampworks BRL 718.95, BRL 898.69 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 Oil Lamp Makers buttons - Oldcopper Examine the color. The tureen does not have a makers mark. cheaper to use. Markings for Bigelow and Kinnard, Kramer, Steuben, Bradley and Hubbard, Stickley, Gorham, Wilkinson and Jefferson also have high value. Popular antique lamp manufacturers you should look out for are: Handel Company. History [ edit] The original factory was in an old glass factory in Martins Ferry, Ohio in 1905. After . Manufacturer unknown. It formed at a very low temperature which made it faster and I grew up going to antique stores and markets with my mom and grandmother. 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. But you Handling Antique Glass Antique glass should be handled as if it has been February 21 . Newer slag glass has been produced by several companies in the latter half of the 20th century. See the patent table below for details. Answer: The opaque bent panels of pressed glass with the creamy, golden swirls in your lamp are typically referred to as slag glass. Production of slag glass originated in late 19th century England. Original Price BRL 502.41 Sowerby in Gateshead, England is believed to be the first glass foundry to create slag glass. For instance, bronze lamp bases topped by leaded glass shades could be the hallmark of American designer Louis Comfort Tiffany. Mixing antique pieces with modern amenities is a popular decorating technique.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'antiqueanswers_com-large-leaderboard-2','ezslot_8',165,'0','0'])};__ez_fad_position('div-gpt-ad-antiqueanswers_com-large-leaderboard-2-0'); Jeannette Glassware, originally Jeannette Bottle Works, was founded in 1888. When identifying authentic slag glass, pay close attention to the marbling. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. and skills can help you. For many glass collectors, finding a beautiful treasure with antique glass markings is a special treat. In 1891, the factory was taken over by Thomas Davidson, George Davidson's son. 70.32.96.88 Hedgewalker 10 years ago. In 1914 the company began to make blown ware which it called "Heisey's American Crystal.". How to Look at a House: When Did the Code First Require Electric Receptacle Outlets to be Polarized? Manufacturer unknown. American Slag Glass Lamps | Antiques Roadshow | PBS Question: Im looking to find some info on this slag glass lamp. Also, add in any background information you have, and add in a question so we know what you want from . A Victorian purple and white British pressed malachite / slag glass bowl in the form of a nautilus shell. If the item does not have any names or marks, the piece likely is a fake. . 6 Vintage Action Figures That Are Valuable Today. SLAG GLASS LAMP - Salem Brothers, circa 1920, SLAG GLASS LAMP - Salem Brothers, circa 1920, Arts & Crafts Spelter Lamp in gold finish with Gothic detailing, having a six-panel caramel slag glass dome Answered in 1 minute by: 10/25/2020. Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century. Metal issues or glass issues I may not see in the pictures. Maker or style/age of this Lamp? Metal and glass,unknown maker. 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. 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. Mar 18, 2023 Very desirable pair of Dumas, Texas Bit and Spur Maker Terry Alward double mounted Spurs, #141 . (20% off), Sale Price BRL 4,901.91 We also have an in-depth encyclopaedia guide on many types of glassware, with lots of information and pictures. My knowledge of lighting , materials and A Victorian purple and white British pressed malachite / slag glass spill vase. A Victorian purple and white British pressed malachite / slag glass half pint tumbler. 979664 Tiffany Studios. A Victorian blue and white British pressed malachite / slag glass bowl or spill vase. w/ 3 Tulip Glass Shades* Very Good Condition- Works great. The dimensions Length x Height.3. When molds were acquired from defunct glass companies, L. G. Wright did not always remove the former makers marks. Sowerby also created several other color formulas including Giallo (yellow), Pomona (green), and Sorbini (blue). Gas Lamp With Milk Glass Shade. Lamp manufacturers often use their own shapes, carvings, custom colors or other details. A Victorian purple and white British pressed malachite / slag glass bowl. Antique Purple and White Slag Glass Cake Stand, Antique EF Industries Green Slag Glass Table Lamp. The SUCCESS burner was Pilabrasgo's "claim to . These items became so popular that slag glass made its way across the ocean and become common in American homes as well. maker mark on base as photographed, view larger image of . Some later manufacturers include Boyd, Imperial, and Westmoreland. Note whether the cord and plug look old. A Victorian blue and white British pressed malachite / slag glass half pint tumbler. The artist, year, and value. What we do know is, as the name suggests, that the Chicago Mosaic Lamp Company was located in Chicago, IL. it will be like a hair line. Unusual slag glass lamp, angled gilt metal base and shade with. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. In 1905, John and Frank Fenton of Ohio opened the Fenton Glass Company. The result is a material that lies somewhere between porcelain and glass. This is listed on the bottom of most slag glass items, especially lamps. 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. Click to reveal Domitz, Carrie and Gerald Domitz. After: Replaced 24 curved pieces,foiled, solder and patina. L. G. Wright Glass. Oil Lamp Maker's marks are usually to be seen on the wick winder button and occasionally elsewhere. The highest price ever paid for a Tiffany lamp remains $2.8 million at a Christie's auction in 1997. Slag Glass - Kovels Outstanding full floral Duffner and Kimberly dogwood lamp. The L. G. Wright Glass Company. It is not signed. 20th Century Glass. Original Price BRL 6,535.89 Slag-Glass Lamp - Elizabeth Appraisals These included Atterbury & Company, who was one of the United States' earliest producers of slag glass. Measurements: 105 x 80 x 80 cm. The lamps and shades often included intricate bronze and brass metalwork featuring scrolling floral, foliate, relief and decorative patterns. BRL 2,093.21, BRL 2,616.52 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. Slag glass was also created by taking two colors of glass and combining them to create what was called "mosaic glass" in 1902 in Pennsylvania by glassmakers Thomas Dugan and Harry Northwood. Check lamp guides or available reference books to determine the manufacturer, lamp model and production year based on any clues you have found. Davidson Glass Identification Guide | Glass Encyclopaedia 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. Milk Glass Lampshade. Manufacturer unknown, possibly French factory Sars-Poteries. A Victorian purple and white British pressed malachite / slag glass spill vase. Vintage Slag Glass Value (Identification & Price Guides) - Noname Antiques When looking to purchase real slag glass, look for the marks of the manufacturer. Other times when tears or breaks occur They made clear and colored glass of many varieties, such as milk glass, pressed glass, and slag glass. In 1969, the company opened a museum adjacent to its gift shop and plant in New Martinsville, West Virginia. Some old lamps are not just beautiful, they are valuable, too. Slag Glass prices range from 50 dollars to 1500 dollars. Thank you. Smaller examples called boudoir lamps, usually 14in or less in height . The company mass-marketed lamps, tableware, and tumblers. We deal in a wide range of antique & collectable glassware from all over the world, selling online via our website, eBay and Etsy. You can also send photos once I've connected you. View more in our L. G. Wright Glass Price Guide. It's quite beautiful. Early 20th-Century Bradley & Hubbard Lamp | Antiques Roadshow | PBS The colors of slag glass are also a great way to identify authenticity. In most cases Made by Sowerby, pattern number 1288, marked. A Victorian blue and white pressed malachite / slag glass spill vase. A piece of slag glass will be worth more if it is a rare color or a rare item. 2002-2023 LoveToKnow Media. Manufacturer unknown. 2023 LoveToKnow Media. Mar 26, 2023 Silk Embroidered . Production of slag glass originated in late-19th-century England, where glass manufacturers are thought to have added slag from iron-smelting works to molten glass to create a range of effectsfrom tortoiseshell to marbling. Made by Davidson, marked. (10% off), Sale Price BRL 2,093.21 Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. with copper that will give the break extra support. Marks on Glass - Glass Lovers Glass Database A green and white Czech pressed malachite / slag glass vase. [2] Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. A Victorian blue and white British pressed malachite / slag glass spill vase. Manufacturers experimented with different methods to achieve this malachite-like look. Copper Producers. The number of broken pieces.4. Business directories of that era list a Chicago Mosaic Lamp Co. in 1905, 1910, and 1914. Table lamps with missing white metal Slag glass is a type of pressed glass that is known for its brilliant and vibrant colors. A Victorian purple and white pressed malachite / slag glass spill vase, with stork or heron bird design. Westmoreland glass was made by the Westmoreland Glass Company of Grapeville, Pennsylvania, from 1890 to 1984. 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. True slag glass was originally produced in England during the last quarter of the 19th century when, simply put, it is believed slag from iron-smelting was added to molten glass to achieve a marbling effect in a variety of colors. existing metal part and, Slag glass lamps for sale REVERSE painted. The value of slag glass items can also be determined by the condition of the item. American slag glass makers included Westmoreland Glass, Boyd Glass, Imperial Glass, among others. and skills can help you. $463.00. Early 1900 slag glass hanging lamp. A variety of opaque glass plates, mostly of the Victorian era. Separations, cracks or breaks Cloudflare Ray ID: 7a2ec81f8e277d0f Whether A Victorian blue and white British pressed malachite / slag glass bowl. Davidson Glass information from the Glass Museum on line While collectible, the price range varies greatly depending on the item and manufacturer. It is a rather nice example of lamps of this type and I would place a value of $300 to $400. Unsigned decorative glass items like compotes and vases tend to sell between $5 - $50, even if they are from the 19th century. Start by identifying the style of table lamp you have, such as whether it is an art nouveau lamp, an art deco lamp or a hurricane or ship's lamp. Slag glass lamp frame repairs | Brass - Zinc - White Metal - Pot Metal - Copper - Bronze Click HERE to view my many workbench articles Separations, cracks or breaks This mark is usually made at the bottom of the lamp. Atlanta, Georgia 30328 | 877.481.5750, Great Discoveries: Antique Pharmacy Items Found Amid Renovation, Great Discoveries: Antique Bottle, Message Found Beneath Floor in Scotland. This type of glass was used to make all types of glassware, including panels for lamp shades. Slag glass with no makers marks on it any ideas? I will include suggestions and comments along with links regarding shipping and packaging. 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. L. G. Wright Glass - Guide to Value, Marks, History - WorthPoint A Victorian purple and white British pressed malachite / slag glass basket shaped bowl. Made by Davidson. If you're asking a question about an antique make sure to have photos of all sides of the object, and close-ups of any maker's marks. Most companies have halted the production of slag glass items altogether. The original slag glass created in England was known for having a brown base color mixed in with streaks of a creamy white color. A Victorian purple and white British pressed malachite / slag glass tumbler. How to Determine the Year a Table Lamp Was Manufactured 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. If you can identify what company manufactured the slag glass, you can determine if the product is real. Real slag will always have a creamy marble effect. This type of data sharing may be considered a sale of information under California privacy laws. In the USA slag glass was made in the 19th century by Atterbury & Co., Challinor Taylor & Co., and H. Northwood Glass Co. Whether 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. My knowledge of lighting , materials and will bring to your unique project over 40 years experience, knowledge officialfuel 12 years ago. American slag glass lamp, metal filigree trim, period metal base,. Learn more. with copper that will give the break extra support. parts presents an extensive restoration process were removing an Antique Lamp Supply recommends picking up. Mychelle is a writer and web designer who is passionate about a wide variety of topics and enjoys sharing her knowledge with readers. 17 1/2" diameter 24" high. L. G. Wright used a wide range of colors amber, amberina, blue, cranberry, cranberry opalescent, clear, iridescent (carnival), lemon (pearline) opalescent, pink, Plum, purple slag, ruby, and vaseline. Manufacturer unknown. maker signed, c19. It wasn't until the early 1960s that outlets were converted to both grounding (3-prong) and polarized. Pictures of both the inside and outside of the lamp.2. that had to be alloy soldered together. Challinor created slag glass slightly differently than the original process which uses true slag. officialfuel 11 years ago. Slag glass, a less elaborate overlay. However, the popularity waned at times. In 1889 Davidson's introduced one of their most popular and successful lines, a colouring which they called "Pearline". 1. Older pieces are worth more because as time goes on, antique slag glass is harder to find. If a plug is polarized, it will have one plug larger than the other. Slag glass created in recent years can come in many new colors including orange, pink and red. Akro Agate standing ashtray from the 1930s- slag glass, onyx & cadmium(?) I inherited a green, leaded glass, globe lamp shade that I imagine is perhaps 100 years old. Slag Lamps products for sale | eBay Made by Davidson, marked. A Victorian purple and white British pressed malachite / slag glass vase. In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. Although Wright purchased period molds from Northwood and Dugan, the company ordered hundreds of new molds from firms such as Albert Bostons B. Made by Stlzle. 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. Likewise, you may see screws or even wires around the plugs, which indicate an antique cord and, hence, an antique lamp. Tiffany stained glass lamp repairs and restoration, Slag glass lamp frame repairs | Brass - Zinc - White Metal - Pot Metal - Copper - Bronze, Click HERE to view my many workbench articles, Whether Category Early 20th Century American Arts and Crafts Table Lamps. Manufacturer unknown. and resources. Victorian bronze slag glass lamp indistinct mark H: 22 in. Slag Glass Lamp & Base $500. Malachite / Slag Glass Identification Guide + Gallery ALL RIGHT RESERVED. Sowerby of Ellison Glassworksthe world's largest manufacturer of pressed glass at the timewas the first to create slag glass, which quickly became popular. Slag glass was extremely popular when used to create lampshades. Manufacturer unknown. A Victorian purple and white British pressed malachite / slag glass bowl. antiquerose 4 years ago. In addition, it introduced new forms, shapes, and patterns. barn or at an estate sale. I'm Stacy Jones and I love antiques! ARTDECODON 3 years ago. Antique Arts & Crafts Royal Art Glass Co. Slag Glass Lamp, c1920 - 1stDibs After: Made 1 mold bent 1 large caramel curved glass panel and 2 blue pieces. A Victorian blue and white British pressed malachite / slag glass creamer jug. Table lamps with missing white metal (7) $350.00. Antique Lamps Online | Antique Vintage Lamps Public Auction Sale: On-Line February 2023 Consignment - Hellertown, PA . Companies continued to make slag glass items well into the mid-20th century. 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. Most homes in the late 19th century and even some older homes today could be found using a slag glass lampshade as decor. Manufacturer unknown. Some well-known slag glass manufacturers include Sowerby, Davidson, and Greeners. 73- Important Duffner and Kimberly leaded lamp. Today's retail prices for slag glass table lamps range from about $500 to $1,500, depending on condition, style, size and purchase venue. Early 1900 Tiffany lamp repairs. One of the first places to look for a date stamp or the maker's hallmark begins with an examination of the base of the lamp. I have a vintage slag glass desk lamp with the mark cCco on the plate that holds the shade on. known as a maker of high-quality products. Two of these patents, numbers 656891 and 774602, clearly depict the SUCCESS burner in their accompanying patent drawing. Verna Mae Wright, L. G. Wright wife, directed the company following Wrights death in 1969. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. $24,900.00. So, even if the rest of your lamp looks old, don't let that confuse you. True slag glass was originally produced in England during the last quarter of the 19th century when, simply put, it is believed slag from iron-smelting was added to molten glass to achieve a marbling effect in a variety of colors. (20% off). Peachblow was produced between 1955 and 1963. A name on the button identifies the maker of the vital lamp burner. Tiffany, Roycroft or Steuben lampshades made with slag glass can command prices of up to $20,000. 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. contacts will be at your service. 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.