In the early 20 th century, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called 'mosaic glass'. A Victorian purple and white British pressed malachite / slag glass bowl in the form of a nautilus shell. Davidson Glass information from the Glass Museum on line Marks on Glass - Glass Lovers Glass Database parts presents an extensive restoration process were removing an 2022 HEIRLOOMS AT HOME & AGELESS HEIRLOOMS. A Victorian blue and white British pressed malachite / slag glass basket shaped bowl. Slag glass with no makers marks on it. Also look on the lighting fixture itself; sometimes, the manufacturer includes a sticker that includes the name, or date of manufacture. Another early slag glass was the purple malachite glass by Sowerby, which was sold in the United States under the name "blackberries and cream." . Aetna: The Aetna Glass and Manufacturing Co. was founded in Bellaire, Ohio in 1880 and stopped production in 1889. they primarily produced goblets. A Victorian blue and white pressed malachite / slag glass vase. American slag glass makers included Westmoreland Glass, Boyd Glass, Imperial Glass, among others. 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. Original Price BRL 2,668.79 Tiffany Lamps: Price Guide and How to Identify an Original - Invaluable 1. Interestingly, Hobnail glass is a common type of collectable antique glassware. Wondering what your antique table lamps' value is? 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. In most cases This marbling is one of the best ways to identify slag glass. However, the popularity waned at times. It's quite beautiful. Davidson Glass Identification Guide | Glass Encyclopaedia Antique Slag Glass Lamps | Collectors Weekly 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 1. and skills can help you. White Metal Repairs by Len Daley Made by Davidson, marked. original metal finish the repair may be less noticeable. She added custard glass to the companys color line in 1969 and iridescent (carnival) in 1972. Imperial Trademark for E. Ward Russell 1970's : Imperial Trademark with Lenox L added 1973-81 Mostly on slag glass: Imperial Trademark A and L added 1981-82 : Imperial 'New Imperial' Trademark 1983 . Slag glass was extremely popular when used to create lampshades. The lamps and shades often included intricate bronze and brass metalwork featuring scrolling floral, foliate, relief and decorative patterns. Made by Davidson, marked. My old world craftsmanship Check lamp guides or available reference books to determine the manufacturer, lamp model and production year based on any clues you have found. Tiffany Studios Bronze Slag Glass Planter Grape Pattern - Fair Cond. Working for churches, architectural lighting companies, Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. ARTDECODON 3 years ago. Would anyone know the company that might of cast this lamp base? Not all L. G. Wright glass was made from period molds. What Is Slag Glass? Made by Sowerby, pattern number 1400, marked. (20% off), Sale Price BRL 401.93 Antique Lamp Co. provides an antique lamp identification chart that illustrates many basic lamp styles. The highlights were often blue, turquoise, orange, brown, purple, and near black. My old world craftsmanship The artist, year, and value. Smaller examples called boudoir lamps, usually 14in or less in height . 979664 Tiffany Studios. Ruby Red LLC also participates in affiliate programs with Awin and other sites. Some later manufacturers include Boyd, Imperial, and Westmoreland. Depending on the mold. Challinor Taylor & Co. was one of the most prominent American Slag glass manufacturers. A glass decoration plant opened in early 1968. Looking to get more info! Gilded bronze. 4,043. Gas Lamp With Milk Glass Shade. It was my grandmothers and is over 60 years old. 2 days Left FINE ANTIQUE CHINESE MARKED BUTTERFLY VASE MARK AND PERIOD $850. WorthPoint is the largest resource online for identifying, researching and valuing antiques. 5.Your shipping address for return shipping quote. Learn more. Explore over 425 Million sold for prices with item details and images. Tiffany stained glass lamp repairs and restorationfor antique slag glass lighting. A Victorian style mid century turquoise and white pressed malachite / slag glass spill vase. The electrical cords of antique electric lamps had prongs which were the same size, unlike modern plugs which have one prong larger than the other. Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. Atterbury & Company, Challinor Taylor & Company, and H. Northwood Glass Company are some well-known manufacturers from the United States. . The result is a material that lies somewhere between porcelain and glass. . It is hard to keep fragile glass intact for decades. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. This is due to the rarity of the color. Slag glass lamp frame repairs | Brass - Zinc - White Metal - Pot Metal - Copper - Bronze Click HERE to view my many workbench articles General Information / Overview - GLASS BOTTLE MARKS Some of the most costly slag glass pieces take the form of lampshades by well-known makers like Handel, Bradley Hubbard, and Tiffany. original metal finish the repair may be less noticeable. She added custard glass to the company's color line in 1969 and iridescent (carnival . A Victorian blue and white British pressed malachite / slag glass spill vase. Akro Agate crow flying through an "A" markmost pieces are also marked "Made in USA" in raised letters and include a mold number. Slag glass with no makers marks on it any ideas? 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. 100 Professional Tiffany-Slag Curved Glass Repairs Values. Contact Us. Real slag glassware will also never just be one solid color, it will always be blended. Made by Sowerby, pattern number 1148. 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 Unusual slag glass lamp, angled gilt metal base and shade with. Likewise, you may see screws or even wires around the plugs, which indicate an antique cord and, hence, an antique lamp. Akro Agate standing ashtray from the 1930s- slag glass, onyx & cadmium(?) Manufacturer unknown. Check the bottom of the glass for a pontil mark, which Fenton doesn't have. Depending on the Separations, cracks or breaks You can email the site owner to let them know you were blocked. 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. Turning off personalized advertising opts you out of these sales. Learn more in our Privacy Policy., Help Center, and Cookies & Similar Technologies Policy. Depending on the rarity of the item, slag glass is worth anywhere from $50 to $1500. View more in our L. G. Wright Glass Price Guide. For example, simple things like a bowl sold for around $20 apiece. In more recent years it was made by Imperial Glass, by Westmoreland Glass, by Akro Agate, and several other companies. Slag glass producers mark their products with the companys initials or the companys logo. The period from the 1950s to 1970 was L. G. Wright's golden age. On the interior of the break in most cases I create a bridge Table Lamps; Floor Lamps; Desk Lamps; Lamp Shades; Outdoor Lighting; . (20% off), Sale Price BRL 718.95 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. The covered tureen is 7.5 inches tall x 6.5 inches wide. in the middle of a section the repair will be performed on the Other times when tears or breaks occur If a lamp has brown malachite colors it can easily sell for around 1000 dollars. Colors and Makers. Bradley & Hubbard (Attr.) Copper Producers. How to Identify Slag Glass Types and Worth | Heirlooms at Home Slag Glass - Kovels Manufacturer unknown. Semicircular ceiling lamp in glass. White metal with filigree work was A Victorian purple and white British pressed malachite / slag glass spill vase. A Victorian purple and white pressed malachite / slag glass posy vase or bowl. A Victorian purple and white British pressed malachite / slag glass pin dish. Set where you live, what language you speak, and the currency you use. In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. The tureen does not have a makers mark. Antique Lamp Supply recommends picking up the lamp and looking for a manufacturer's symbol, name or date stamp embedded into the base. what is the Value of your L. G. Wright Glass? Identify your Imperial Glass Marks. 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. When looking to purchase real slag glass, look for the marks of the manufacturer. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. . Entrepreneurs in America discovered the popularity of English slag glass lamps: a factory named Akro Agate produced its own version, a name that references cut agate. A Victorian purple and white British pressed malachite / slag glass spill vase. between these sections are easily repaired and can retain the same A Victorian purple and white British pressed malachite / slag glass vase. The Materials Used While materials like iron and clay have been around since antiquity, other materials haven't been around for quite as long. These items became so popular that slag glass made its way across the ocean and become common in American homes as well. When molds were acquired from defunct glass companies, L. G. Wright did not always remove the former makers marks. By solartoys 10 years ago. Manufacturer unknown. 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. Cloudflare Ray ID: 7a2ec81f8e277d0f Darkpoison1367 5 months ago. Dirk Van Erp Studio Van Erp's earliest lamps are signed near the center of the underside of the lamp, with the windmill logo Edward Miller and Company. Manufacturer unknown. Tiffany Studios Lamp Mark Duffner and Kimberly. Antique Gas Lamp. A name on the button identifies the maker of the vital lamp burner. Made by Davidson, marked. The color quality is another clue. Sale Price BRL 2,401.91 The L. G. Wright molds were purchased by a number of different glass manufacturers. Separations, cracks or breaks The number of broken pieces.4. Made by Imperial Glass, marked. This list is limited to only a few results.Many more items are available to our members through our Price Guides! Paducah, KY: Collector Books, 2005. It should not have white streaks mixed into the color, nor should it be one solid color. I think the one c stands for a casting company. 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. Initially they focused on painting "blank" glassware. When identifying authentic slag glass, pay close attention to the marbling. The mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. $435.00. mold. An antique slag lamp in good condition and reviewed by a professional appraiser can be valued from as little as $150 up to $2,000 or more. Relevant Glass Articles. 2002-2023 LoveToKnow Media. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. Malachite / Slag Glass Identification Guide + Gallery Slag glass has a rich history that makes it extremely valuable to collectors. contacts will be at your service. Maybe inherited a Tiffany stained glass lamp This mark is usually made at the bottom of the lamp. Examine the color. In most cases 70.32.96.88 (20% off), Sale Price BRL 4,901.91 Manufacturer unknown, similar to a design by W. H. Heppel & Co. A Victorian purple and white pressed malachite / slag glass jug. Akro Agate standing ashtray from the 1930s- slag glass, onyx & cadmium it will be like a hair line. Outstanding full floral Duffner and Kimberly dogwood lamp. Made by Sowerby, marked. Chicago Mosaic Company Lamps - oldlampvalues Dirk Van Erp Studio. Maker or style/age of this Lamp? Made by Davidson, pattern number 121. You can find antique slag lighting fixtures for sale on websites such as Etsy for as low as $20 or as much as $16,000. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. Values for slag glass, particularly, kitchenwares and lampshades command values from $50 to $1500 with collectors. Plus Return Shipping Tiffany stained glass lamp repairs and restoration for antique slag glass lighting. A Victorian blue and white pressed malachite / slag glass spill vase. Made by John Derbyshire of England. Slag glass lamps are one of the most sought-after items made of slag glass. Many of the same designs for milk glass were also produced in slag glass. Antique Tiffany lamps are sought-after today and the market remains competitive for investment-quality works. 2023 Active Interest Media All rights reserved. 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. Another example in the list of famous lamp makers is Frankart Inc. of New York whose lamps were the premier lamps of the Art Deco period (circa 1920s-1930s) with elaborate figural bases and impressive designs that intrigued 1920 flappers and 2020 collectors alike. A Victorian purple and white British pressed malachite / slag glass creamer / jug. Answered in 1 minute by: 10/25/2020. They made clear and colored glass of many varieties, such as milk glass, pressed glass, and slag glass. It is not signed. ALL RIGHT RESERVED. (25% off), Sale Price BRL 435.68 between these sections are easily repaired and can retain the same I have a vintage slag glass desk lamp with the mark cCco on cheaper to use. 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. A Victorian purple and white pressed malachite / slag glass spill vase. Whether Other clues may include a delicate polychrome finish or gilt, which could indicate Depression era lamps. Early 20th-Century Bradley & Hubbard Lamp | Antiques Roadshow | PBS Antique Lamp Supply recommends picking up. The Fenton Art Glass Company is a glass manufacturer founded in 1905 by brothers Frank L. Fenton and John W. Fenton. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Slag glass, a less elaborate overlay. Note whether the cord and plug look old. By far the most common colour for slag glass was purple, but it was also made in blue, turquoise, green, and brown glass. Antique slag items are usually brown, blue, green or purple. What Is Slag Glass? - The Spruce Crafts A Victorian green and white British pressed malachite / slag glass bowl / pin dish. So, even if the rest of your lamp looks old, don't let that confuse you. From Art Deco to 1970s Contemporary, we tried to list as many lamp manufacturers as we could find. In the 1880's the company began producing pressed glass tableware, such as milk glass, malachite/slag glass, and their famous Pearline range. 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? Restoring bent slag glass antique lamps with museum quality SINCE 1978. She has also managed an online antiques community. Each large serving dish is 2.5 inches tall x 10.25 inches long x 9.25 inches wide. Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. Verna Mae Wright, L. G. Wright' wife, directed the company following Wright's death in 1969. I can best help you after you email picturesTo complete your quote for restoration if you include the following.1. The Pittsburgh Lamp, Brass & Glass Company was assigned at least five lighting-related patents between August 28, 1900 and March 21, 1916. Manufacturer unknown. Westmoreland glass was made by the Westmoreland Glass Company of Grapeville, Pennsylvania, from 1890 to 1984. February 21 . Made by Sowerby, pattern number 1231, marked. Powered By OpenCart My slag glass lamps for sale change and update 2023, Tiffany, Handel, Bradley & Hubbard lamp repairs, Historical heirloom restoration and conservation. They are a great way to add color to any room. In 1938, he contracted with Fenton to manufacture a reproduction Hobnail barber bottle in amber and vaseline. For instance, bronze lamp bases topped by leaded glass shades could be the hallmark of American designer Louis Comfort Tiffany. Made by Stlzle. Molds of L. G. Wright. Real or Repro. The colors of slag glass are also a great way to identify authenticity. that had to be alloy soldered together. The number of broken pieces.4. Old House Journal reports that many early 20th-century lighting fixtures were made of brass, typically finished with a coat of lacquer. contacts will be at your service. Slag Glass Identification and Valuation - Antique Answers L. G. Wright Glass. Hesse, Germany cabinetry pros can help you give worn or dated cabinets a makeover. and skills can help you. Grandmother's old lamp not "true" slag glass but still catches eye of appraiser to the tune of $300-$400. Manufacturer unknown. 2023 LoveToKnow Media. How to Look at a House: When Did the Code First Require Electric Receptacle Outlets to be Polarized? Your lamp appears to have six panels and looks to be in very good condition. In 1914 the company began to make blown ware which it called "Heisey's American Crystal.". 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. . Manufacturer unknown, possibly French factory Sars-Poteries. Akron Gas Lamp. This type of glass was used to make all types of glassware, including panels for lamp shades. List of Vintage Lamp Manufacturers - RetroWaste L. G. Wright Glass reproduced many types of late 19th and early 20th century glass. any ideas? These colors are created through different repurposing techniques. Two of these patents, numbers 656891 and 774602, clearly depict the SUCCESS burner in their accompanying patent drawing. mold. The lamp holds three light bulbs and the shade adjusts in height from 18" to 24" tall. They bring a sense of the past into a home and they add a pop of color. Imperial Glass - Guide to Value, Marks, History - WorthPoint A Victorian purple and white British pressed malachite / slag glass bowl. Verna Mae Wright, L. G. Wright wife, directed the company following Wrights death in 1969. The Glass Encyclopedia. How to Identify Fenton Glass: 10 Steps (with Pictures) - wikiHow 6 Vintage Action Figures That Are Valuable Today. barn or at an estate sale. Sales, Koscherak Brothers, and F. Pavel. Shop Similar at WAYFAIR Up to 70% OFF Every Day at Wayfair Slag Glass Lamps - 54 For Sale on 1stDibs It is unlikely that any American glass factory produced Mary Gregory -style glass before Westmoreland Glass Company's 1957 line. Some old lamps are not just beautiful, they are valuable, too. This material takes on different colors depending on the minerals and elements that are present in the iron. Oil Lamp Maker's marks are usually to be seen on the wick winder button and occasionally elsewhere. Custom Mold $135 Bent Glass Panels $105 Metal work $50 hr. The marbling is sometimes compared to tortoiseshell. Egyptian patterns were also common due to the interest in the tomb of King Tut in the early 1920s. Hedgewalker 10 years ago. Find the Value of your L. G. Wright Glass. Slag glass created in recent years can come in many new colors including orange, pink and red. Most companies have halted the production of slag glass items altogether. A Victorian purple and white British pressed malachite / slag glass spill vase. 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. Those partners may have their own information theyve collected about you. Slag glass gets its name from slag. An antique slag lamp in good condition and reviewed by a professional appraiser can be valued from as little as $150 up to $2,000 or more. Click to reveal Exceptional lamp. Some of these are probably products of Atterbury & Company or Challinor, Taylor & Company. Share this conversation. Glass manufacturers were thought to have added slag from iron smelting to molten glass. A Victorian purple and white British pressed malachite / slag glass tumbler. 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. Original Price BRL 544.61 barn or at an estate sale. Metal issues or glass issues I may not see in the pictures. Mar 26, 2023 Silk Embroidered . interior. Wrights early customers included reproduction wholesalers such as AA. If a plug is polarized, it will have one plug larger than the other. Learning how to identify and value this glass can help if you are looking to collect or just learn more about this interesting glassware. 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.
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