Made by Davidson, marked. Slag glass antique lamps sell between $200 and $2,000, and most of the value is in the light itself. 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. Paducah, KY: Collector Books, 2005. existing metal part and casting a new part. Early 1900 slag glass hanging lamp. Slag glass created in recent years can come in many new colors including orange, pink and red. Copper Producers. . I inherited a green, leaded glass, globe lamp shade that I imagine is perhaps 100 years old. Among other uses, slag glass was a popular material for lampshades . 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. Manufacturer unknown, possibly French factory Sars-Poteries. Opal an opaque white glass the first Vitro-Porcelain colour produced in 1876 followed by: Turquoise a pale blue glass in the same year. After . She added custard glass to the company's color line in 1969 and iridescent (carnival . If the item does not have any names or marks, the piece likely is a fake. maker signed, c19. Sales, Koscherak Brothers, and F. Pavel. A Victorian purple and white British pressed malachite / slag glass creamer / jug. Mar 26, 2023 Silk Embroidered . All rights reserved. Verna Mae Wright died in 1990. (20% off), Sale Price BRL 4,901.91 How to Look at a House: When Did the Code First Require Electric Receptacle Outlets to be Polarized? This is because the top manufacturers of the day often did leave any identifying brand marks on the fixtures. 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. They made clear and colored glass of many varieties, such as milk glass, pressed glass, and slag glass. 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. Answered in 1 minute by: 10/25/2020. . [2] Real slag will always have a creamy marble effect. 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. This created the marbled effect and bright variations in color that make slag glass so unique. between these sections are easily repaired and can retain the same In the early 20 th century, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called 'mosaic glass'. Miller slag glass lamp, gilt hexagonal shade, Miller slag glass lamp; caramel slag, cast, MILLER 8 BENT PANEL SLAG GLASS LAMP: Attributed, AN AMERICAN SLAG GLASS AND GILT METAL LAMP, SLAG GLASS TABLE LAMP, attributed to Miller, Arts and Crafts Handel / Miller table lamp, Miller table lamp, c. 1905-1920, six-sided, MILLER BENT PANEL SLAG GLASS OIL LAMP: Miller. A Victorian purple and white pressed malachite / slag glass spill vase. I can best help you after you email picturesTo complete your quote for restoration if you include the following.1. Made by Davidson, marked. French Porcelain & Gilt Metal Lamp - Green Slag Glass Shades-Flower Motif ; Gentleman / Musician Playing Piano* Sculpted Figural Porcelain Table Lamp. Contact: Email Len.Daley@yahoo.com Phone: 401-314-6005 (non text line) Or click on the picture to email me. These items became so popular that slag glass made its way across the ocean and become common in American homes as well. view larger image of . Made by Sowerby, pattern number 1299, marked. it will be like a hair line. These lamps rarely sell for less than 100 dollars. antiquerose 4 years ago. Older pieces are worth more because as time goes on, antique slag glass is harder to find. ToffuttiCutie 12 years ago. The highest price ever paid for a Tiffany lamp remains $2.8 million at a Christie's auction in 1997. Salem Bros. six panel slag glass lamp; shell and floral patterns,. officialfuel 11 years ago. The marbling should be a creamy white color that is evenly mixed into the base color. 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. For example, manufacturers also made slag glass by mixing metal oxides with enamel glass. 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. February 21 . On the interior of the break in most cases I create a bridge In most cases Victorian bronze slag glass lamp indistinct mark H: 22 in. Louis XV style ceiling lamp. Slag glass comes in many colors such as chocolate or caramel, purple, blue, pink, and red. Tiffany, Roycroft or Steuben lampshades made with slag glass can command prices of up to $20,000. A fine maker's-marked shade from one of . Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. BRL 2,401.91, BRL 2,668.79 Table lamps with missing white metal As with most other small regional lamp makers, the Chicago Mosaic Lamp Company saw the phenomenal success of Tiffany Studios' patented copper foiled . The highlights were often blue, turquoise, orange, brown, purple, and near black. Etsy uses cookies and similar technologies to give you a better experience, enabling things like: Detailed information can be found in Etsys Cookies & Similar Technologies Policy and our Privacy Policy. 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. The Glass Encyclopedia. Antique Lamp Supply recommends picking up. The mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. Step 1 Quote & Pricing Manufacturer unknown. By solartoys 10 years ago. Just the opposite is true. It should not have white streaks mixed into the color, nor should it be one solid color. Set where you live, what language you speak, and the currency you use. Manufacturer unknown. A Victorian purple and white British pressed malachite / slag glass bowl. known for its ability to retain detail when removed from its master The Fenton Art Glass Company is a glass manufacturer founded in 1905 by brothers Frank L. Fenton and John W. Fenton. Maker or style/age of this Lamp? History [ edit] The original factory was in an old glass factory in Martins Ferry, Ohio in 1905. Companies continued to make slag glass items well into the mid-20th century. For todays collectors, slag glass is a greatly sought-after item that can go for a lot of money. The wiring is not original to the lamp; originally it would have had cloth covered wire. Decorative patterns include Mary Gregory glass. Manufacturer unknown. A Victorian blue and white British pressed malachite / slag glass creamer jug. in the middle of a section the repair will be performed on the Would anyone know the company that might of cast this lamp base? $71.65 shipping. Tiffany lamps' value can be anywhere from $4,000 to over $1 million. Slag glass lamp frame repairs | Brass - Zinc - White Metal - Pot Metal - Copper - Bronze Click HERE to view my many workbench articles. Manufacturer unknown. The value of slag glass antiques ranges from $20 - $20,000. original metal finish the repair may be less noticeable. The marble should never be streaky and it should blend well with the color of the glass. This illustrated guide provides marks found on both antique and contemporary collectible glass and includes dating information if known. Pictures of both the inside and outside of the lamp.2. I She added custard glass to the companys color line in 1969 and iridescent (carnival) in 1972. The value of slag glass is determined by the rarity of the item and the color. Cavo is the author of Love Immortal: Antique Photographs and Stories of Dogs and Their People. Production began on January 13, 1904. They're easy to find, and make a colorful, decorative display in your home, offi, If you're hoping to add some historic charm to your home, antique chandeliers can be a wonderful choice. Production of slag glass originated in late 19th century England. The most expensive Tiffany lamps sell for upwards of $1 million. A 1925 Sears, Roebuck and Co. catalog shows "metal table lamps" fitted with "art glass" at prices ranging from $6.90 to $19. Check out Appraiser's's ANTIQUES ROADSHOW appraisal of this Early 20th-Century Bradley & Hubbard Lamp from Seattle, Hour 3! In addition, it introduced new forms, shapes, and patterns. 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. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. Forms ranged from covered animal dishes to lamps to water goblets. 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. 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. Slag glass is no longer produced as it once was. Serious antique glass collectors will be familiar with "slag glass" which became popular in the late 1800s and is still made today. Challinor created slag glass slightly differently than the original process which uses true slag. On the other hand, Tiffany Studios decorative items sold for several thousand dollars. in the middle of a section the repair will be performed on the Dr. Anthony J. Cavo is an honors graduate of the Asheford Institute of Antiques and a graduate of Reisch College of Auctioneering. In most cases 6 Vintage Action Figures That Are Valuable Today. Prices go up significantly if a light is signed by a . This will ensure that the money you are spending is worth it. List of Vintage Lamp Manufacturers Advertisement About Paul Phipps 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 Victorian turquoise and white British pressed malachite / slag glass spill vase. and skills can help you. barn or at an estate sale. A Victorian purple and white British pressed malachite / slag glass bowl. Some handmade collector marbles are small works of art that can command big prices. Maybe inherited a Tiffany stained glass lamp To enable personalized advertising (like interest-based ads), we may share your data with our marketing and advertising partners using cookies and other technologies. Work with a qualified appraiser to help you identify the manufacturer and type of slag glass antiques you have, including antique glass insulators, to determine the true market value. Akro Agate crow flying through an "A" markmost pieces are also marked "Made in USA" in raised letters and include a mold number. Molds of L. G. Wright. Real or Repro. Learning how to identify and value this glass can help if you are looking to collect or just learn more about this interesting glassware. Made by Davidson, marked. Founts, chimneys and shades may have been made by others. It consists of eight arms with points of light and an interior point of light. The number of broken pieces.4. Once you find those marks, research the company to see if they are an authentic brand. Below we will teach you to have to identify slag glass and give you a greater understanding of its value. 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. Sale Price BRL 2,401.91 Chervenka, Mark. Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century. These easily sell for thousands when in excellent condition, with Tiffany being the top of the line, of course. Not all L. G. Wright glass was made from period molds. Unusual slag glass lamp, angled gilt metal base and shade with. It has distinctive a distinctive knob pattern and comes in a variety of colors. Manufacturer unknown, similar to a design by W. H. Heppel & Co. A Victorian purple and white pressed malachite / slag glass jug. Fenton uses snap rings, so most of their pieces will not have a pontil mark. Metal and glass,unknown maker. Prices for slag glass lamps start at $150 and top out at $13,250 with the average selling for $1,250. Sowerby also created several other color formulas including Giallo (yellow), Pomona (green), and Sorbini (blue). strength as when manufactured. She is also a journalist and marketing content creator who enjoys cooking and eating, both helpful hobbies for a gardener. Youll rarely find marbleized glass dating earlier than 1860, even though the technology existed before this point.2. Westmoreland glass was made by the Westmoreland Glass Company of Grapeville, Pennsylvania, from 1890 to 1984. mold. Learn more. But you Handling Antique Glass Antique glass should be handled as if it has been 17 1/2" diameter 24" high. Entrepreneurs in America discovered the popularity of English slag glass lamps: a factory named Akro Agate produced its own version, a name that references cut agate. Made by Sowerby, pattern number 1148. In one case, L. G. Wright did add another stroke to the Northwood N making it appear as a wobbly W. Label, oval with EARLY AMERICAN / L. G. WRIGHT in border, house/factory in center. The lamp holds three light bulbs and the shade adjusts in height from 18" to 24" tall. True slag glass is marbled and has a variety of bright colors. answer. Made by Sowerby, marked. Your caramel slag glass paneled lamp dates from the 1910s through the 1920s. Table lamps with missing white metal This website is using a security service to protect itself from online attacks. Slag glass was extremely popular when used to create lampshades. Separations, cracks or breaks It is unlikely that any American glass factory produced Mary Gregory -style glass before Westmoreland Glass Company's 1957 line. Depending on the Here is a list of several authentic Handel marks. Manufacturer unknown. If a plug is polarized, it will have one plug larger than the other. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. Slag Glass Lamp (1 - 40 of 587 results) Price ($) 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 Made by Sowerby, pattern number 1258, marked. However, the popularity waned at times. between these sections are easily repaired and can retain the same 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). 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. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. Made by Sowerby, pattern number 1231, marked. Tiffany stained glass lamp repairs and restorationfor antique slag glass lighting. A Victorian purple and white pressed malachite / slag glass spill vase, with stork or heron bird design. Depending on the that had to be alloy soldered together. Made by Sowerby, pattern number 1259, marked. American slag glass lamp, metal filigree trim, period metal base,. A Victorian purple and white British pressed malachite / slag glass vase. A piece of slag glass will be worth more if it is a rare color or a rare item. between these sections are easily repaired and can retain the same Tiffany Studios Lamp Mark Duffner and Kimberly. cheaper to use. 73- Important Duffner and Kimberly leaded lamp. Hedgewalker 10 years ago. Original Price BRL 2,616.52 Explore over 425 Million sold for prices with item details and images. 2023 - WorthPoint Corporation | 5 Concourse Parkway NE, Suite 2900. Made by Davidson, marked. Also look on the lighting fixture itself; sometimes, the manufacturer includes a sticker that includes the name, or date of manufacture. American slag glass makers included Westmoreland Glass, Boyd Glass, Imperial Glass, among others. Ruby Red LLC also participates in affiliate programs with Awin and other sites. Well, as Tiffany lamps are becoming more and more valuable, these lamps are also going up in value. Slag glass is a type of pressed glass that is known for its brilliant and vibrant colors. The tureen does not have a makers mark. Depending on the rarity of the item, slag glass is worth anywhere from $50 to $1500. A Victorian purple and white British pressed malachite / slag glass half pint tumbler. Slag glass is often used as a catch-all term for any type of pressed glass that is opaque and colorful, but not all glass that fits this description is true slag glass. Big named glass companies jumped on the craze, and the most expensive slag glass lamps were produced by Tiffany, Roycroft or Steuben. Antique slag items are usually brown, blue, green or purple. Pictures of both the inside and outside of the lamp. Unsigned decorative glass items like compotes and vases tend to sell between $5 $50, even if they are from the 19th century. Related Dictionary Pages: Lancaster Colony, Lancaster Glass, Libbey Glass Company. 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. Manufacturer unknown. Manufacturer unknown. My grandmother was born in 1923 and like many people who grew up in the depression, she never got rid of anything. The color quality is another clue. These were seen for sale at a flea market in 2018. that had to be alloy soldered together. 2023 LoveToKnow Media. When molds were acquired from defunct glass companies, L. G. Wright did not always remove the former makers marks. In the 1880's the company began producing pressed glass tableware, such as milk glass, malachite/slag glass, and their famous Pearline range. Art Deco Vaseline Slag Glass Smoking Stand Ashtray Electric Lighter. Slag glass lamps are one of the most sought-after items made of slag glass. Made by Sowerby, pattern number 1288, marked. 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 . In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. Outstanding full floral Duffner and Kimberly dogwood lamp. Whether Expert's Assistant: What would you like to learn about the lamp? Midcentury hits include some of the lamp styles by Stiffel, Louis Poulsen, George Kovaks, George Nelson and Jonathan Adler. Manufacturer unknown. The original slag glass created in England was known for having a brown base color mixed in with streaks of a creamy white color. contacts will be at your service. Other clues may include a delicate polychrome finish or gilt, which could indicate Depression era lamps. strength as when manufactured. The period from the 1950s to 1970 was L. G. Wrights golden age. it will be like a hair line. Table lamps with missing white metal Turning off personalized advertising opts you out of these sales. Learn more in our Privacy Policy., Help Center, and Cookies & Similar Technologies Policy. It's quite beautiful. Whether Finally, a Bradley & Hubbard slag glass lamp sold for $584, typical for that style and age of light. In more recent years it was made by Imperial Glass, by Westmoreland Glass, by Akro Agate, and several other companies. Colors and Makers. Popular antique lamp manufacturers you should look out for are: Handel Company. image0.jpg image0.jpg image1.jpg image1.jpg. 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. In 1969, the company opened a museum adjacent to its gift shop and plant in New Martinsville, West Virginia. Atterbury & Company, Challinor Taylor & Company, and H. Northwood Glass Company are some well-known manufacturers from the United States. See if holding onto your favorite action figures as a kid has paid off. with copper that will give the break extra support. Made by Sowerby, pattern number 1154. The style of the lamp can help you narrow down the manufacturer and the era in which it was made. Other times when tears or breaks occur The period from the 1950s to 1970 was L. G. Wright's golden age. The result is a material that lies somewhere between porcelain and glass. Manufacturer unknown. In most cases My knowledge of lighting , materials and This type of glass was used to make all types of glassware, including panels for lamp shades. A Victorian purple and white British pressed malachite / slag glass spill vase. I have a vintage slag glass desk lamp with the mark cCco on the plate that holds the shade on. Likewise, you may see screws or even wires around the plugs, which indicate an antique cord and, hence, an antique lamp. will bring to your unique project over 40 years experience, knowledge By far the most common colour for slag glass was purple, but it was also made in blue, turquoise, green, and brown glass. In your brief description you failed to mention condition or the presence or absence of any marks or numbers on the base of the lamp. Message the Seller. Semicircular ceiling lamp in glass. Before: Removed sections of 24 broken bend glass pieces. She has also managed an online antiques community. 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.