known for its ability to retain detail when removed from its master Etsy is powered by 100% renewable electricity. White metal with filigree work was A Victorian purple and white British pressed malachite / slag glass half pint tumbler. The Glass Encyclopedia. Popular antique lamp manufacturers you should look out for are: Handel Company. My knowledge of lighting , materials and Akron Gas Lamp. Production began on January 13, 1904. This guide will explain how slag glass was made, when it was popular, and what its worth. Fenton Glass Made for Other Companies 1907-1980, Identification & Value Guide Weil Ceramics, Abels Wasserburg, Edward Paul, L. G. Wright, Rubel. Popular slag glass lampshades shapes included mushroom, dome and flower petals. Original Price BRL 898.69 A Victorian purple and white British pressed malachite / slag glass spill vase. A Victorian green and white British pressed malachite / slag glass bowl / pin dish. These lamps rarely sell for less than 100 dollars. Powered By OpenCart My slag glass lamps for sale change and update 2023, Tiffany, Handel, Bradley & Hubbard lamp repairs, Historical heirloom restoration and conservation. Made by Davidson, marked. It formed at a very low temperature which made it faster and Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. 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. She added custard glass to the companys color line in 1969 and iridescent (carnival) in 1972. Depending on your type of antique, you'll need to look in specific places and for specific types of marks to better identify your piece (s). A name on the button identifies the maker of the vital lamp burner. American slag glass lamp, metal filigree trim, period metal base,. I grew up going to antique stores and markets with my mom and grandmother. It was only made in two colours, blue and lemon yellow, each with a white edge. Remember, the most common way to make slag glass was by skimming silicate material from the top of molten iron. The Materials Used While materials like iron and clay have been around since antiquity, other materials haven't been around for quite as long. Explore over 425 Million sold for prices with item details and images. I would say the lamp is from the 30's or 40's. glass glasses lamps marks plates. Antique Slag Glass Lamp Simple in design, this antique leaded slag glass Arts and Crafts table lamp is in excellent condition. Made by Davidson, pattern number 234. These three manufacturers are very well known in the United Kingdom. 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. 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. It formed at a very low temperature which made it faster and Decorative patterns include Mary Gregory glass. Most glass is not marked. (20% off), Sale Price BRL 4,901.91 There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. It's quite beautiful. In the early 20 th century, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called 'mosaic glass'. 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. These were seen for sale at a flea market in 2018. with copper that will give the break extra support. Slag glass antique lamps sell between $200 and $2,000, and most of the value is in the light itself. Whether [1] The factory at one time was owned by the former West Virginia Glass Company. In addition, it introduced new forms, shapes, and patterns. We also have an in-depth encyclopaedia guide on many types of glassware, with lots of information and pictures. These included Atterbury & Company, who was one of the United States' earliest producers of slag glass. The company, based in Jeannette, Pennsylvania, rebranded in 1898 and took on the name Jeannette Glassware. Measell, James, and W. C. Red Roetteis. Manufacturer unknown. It formed at a very low temperature which made it faster and Manufacturer unknown. Click to reveal answer. Learn more. Copper Producers. parts presents an extensive restoration process were removing an Just the opposite is true. A Victorian purple and white pressed malachite / slag glass spill vase. Manufacturer unknown. Metal and glass,unknown maker. it will be like a hair line. 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. Each large serving dish is 2.5 inches tall x 10.25 inches long x 9.25 inches wide. image0.jpg image0.jpg image1.jpg image1.jpg. 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. Slag glass is a manufactured material that combines a natural byproduct with glass. Slag glass was made by British companies Sowerby, Davidson and Greener during the Victorian era, around the 1880's/90's, and was also produced in other European countries, most notably France. Wrights early customers included reproduction wholesalers such as AA. 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. It is a mistake to assume since many of the pieces are reproductions, the quality is low. Manufacturer unknown, similar to a design by W. H. Heppel & Co. A Victorian purple and white pressed malachite / slag glass jug. Depending on the Manufacturer unknown. Salem Bros. six panel slag glass lamp; shell and floral patterns,. Tiffany Studios Lamp Mark Duffner and Kimberly. Find the Value of your L. G. Wright Glass. These three manufacturers are very well known in the United Kingdom. The lamps and shades often included intricate bronze and brass metalwork featuring scrolling floral, foliate, relief and decorative 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. Pictures of both the inside and outside of the lamp. You can email the site owner to let them know you were blocked. 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. Companies continued to make slag glass items well into the mid-20th century. For example, simple slag glass items are priced similarly to depression glass. Ceiling lamp in French Louis XV style, in gilded bronze profusely decorated with delicate vegetal work. Patterns included Daisy and Button, Moon & Star, and Panel Grape. 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. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. When iron-ore is smelting during steel production, the remaining residue is a glass-like, glossy material. Also, add in any background information you have, and add in a question so we know what you want from us . Colors and Makers. $71.65 shipping. We deal in a wide range of antique & collectable glassware from all over the world, selling online via our website, eBay and Etsy. Dirk Van Erp Studio. But you Handling Antique Glass Antique glass should be handled as if it has been Custom Mold $135Bent Glass Panels $105Metal work $50 hr.Plus Return Shipping For example, manufacturers also made slag glass by mixing metal oxides with enamel glass. Made by Davidson, marked. that had to be alloy soldered together. Take full advantage of our site features by enabling JavaScript. Any piece of glass with this trademark can be accurately dated to the period 1880 to 1891. Manufacturers used the glass in molds to make bowls, compotes, vases, plant cache pots, and more. Metal issues or glass issues I may not see in the pictures.5.Your shipping address for return shipping quote.I will include suggestions and comments along with links regarding shipping and packaging.Contact: Email Len.Daley@yahoo.comPhone: 401-314-6005 (non text line)Or click on the picture to email me. what is the Value of your L. G. Wright Glass? Early 1900 slag glass hanging lamp. Get the best deals on Slag Lamps when you shop the largest online selection at eBay.com. Midcentury hits include some of the lamp styles by Stiffel, Louis Poulsen, George Kovaks, George Nelson and Jonathan Adler. The first new molds date from 1937. Share this conversation. 1. 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. By Hiddenchakra 8 months ago. Prices go up significantly if a light is signed by a . Search out lamp collectors groups or take your lamp to a lamp repair shop or an antique dealer to get an opinion on your antique table lamp's value and age. 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. Depending on the Slag glass was originally created in the United Kingdom in the 1890s by adding this slag substance during the glass-making process. L. G. Wright reproductions tend to be thicker than period pieces. Maybe inherited a Tiffany stained glass lamp A Victorian purple and white British pressed malachite / slag glass basket shaped bowl. 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. Would anyone know the company that might of cast this lamp base? interior. Manufacturer unknown. L. G. Wright did add another stroke to the Northwood N making it appear as a wobbly W. The marbling should be a creamy white color that is evenly mixed into the base color. 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 . It is impossible to identify which glass company made L. G. Wright glass pieces. Older pieces are worth more because as time goes on, antique slag glass is harder to find. In most cases Lamp manufacturers often use their own shapes, carvings, custom colors or other details. Tiffany lamps' value can be anywhere from $4,000 to over $1 million. I can best help you after you email picturesTo complete your quote for restoration if you include the following.1. you just found the slag glass table lamp of the century in the back The marble should never be streaky and it should blend well with the color of the glass. 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. will bring to your unique project over 40 years experience, knowledge This type of information could make a difference in the price of your lamp and without knowing, I must assume there is no indication of the maker on this piece. Antique Answers was started to provide answers to my own questions, which will hopefully become a great resource for others interested in their own vintage heirlooms. Expert's Assistant: The Antiques Appraiser can help. It is unlikely that any American glass factory produced Mary Gregory -style glass before Westmoreland Glass Company's 1957 line. A Victorian turquoise and white British pressed malachite / slag glass spill vase. Table lamps with missing white metal A Victorian purple and white British pressed malachite / slag glass "Just a Thimble Full" shot glass. Leave it in the comments below! Also look on the lighting fixture itself; sometimes, the manufacturer includes a sticker that includes the name, or date of manufacture. Finally, a Bradley & Hubbard slag glass lamp sold for $584, typical for that style and age of light. Contact: Email Len.Daley@yahoo.com Phone: 401-314-6005 (non text line) Or click on the picture to email me. Well, as Tiffany lamps are becoming more and more valuable, these lamps are also going up in value. ARTDECODON 3 years ago. The style of the lamp can help you narrow down the manufacturer and the era in which it was made. Antique Lamp Co. provides an antique lamp identification chart that illustrates many basic lamp styles. During the 1920's designs changed to reflect the new Art Deco trends. maker mark on base as photographed, view larger image of . Fragile, Small bits of . In 1914 the company began to make blown ware which it called "Heisey's American Crystal.". Purple is the most common slag glass color. A Victorian purple and white pressed malachite / slag glass spill vase. They made clear and colored glass of many varieties, such as milk glass, pressed glass, and slag glass. Antique Lamp Supply recommends picking up. Slag glass is no longer produced as it once was. BRL 2,401.91, BRL 2,668.79 Original Price BRL 6,535.89 Brown malachite slag glass pieces are the rarest and most coveted colors of slag glass. Performance & security by Cloudflare. Most homes in the late 19th century and even some older homes today could be found using a slag glass lampshade as decor. The value of slag glass antiques ranges from $20 $20,000. Thank you. The value of slag glass antiques ranges from $20 - $20,000. They also had their own foundry and mold shop for producing molds for their own use and for others. Manufacturer unknown. Frankart Inc. lamps have bases that highlight female figures holding or . Copyright 2023 All Rights Reserved by This material takes on different colors depending on the minerals and elements that are present in the iron. Search 7 Wetzlar custom cabinet makers to find the best cabinetry and custom cabinet maker for your project. Manufacturer unknown. Business directories of that era list a Chicago Mosaic Lamp Co. in 1905, 1910, and 1914. A Victorian blue and white British pressed malachite / slag glass basket shaped bowl. or Handel lamp that needs a little love. If the item does not have any names or marks, the piece likely is a fake. Festoons and garlands cover the inverted glass dome. A Victorian purple and white British pressed malachite / slag glass spill vase. Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. [2] I think the one c stands for a casting company. Initially they focused on painting "blank" glassware. Made by Davidson. My knowledge of lighting , materials and 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 . between these sections are easily repaired and can retain the same Manufacturer unknown for certain but very similar to Sowerby's pattern 1154. Real slag glassware will also never just be one solid color, it will always be blended. Dorothy Stephen and Phyllis Stephan Brettner, her daughters, inherited the company. Slag glass has a rich history that makes it extremely valuable to collectors. These colors are created through different repurposing techniques. Custom Mold $135 Bent Glass Panels $105 Metal work $50 hr. A Victorian purple and white British pressed malachite / slag glass bowl. Made by Davidson, marked. 2 days Left FINE ANTIQUE CHINESE MARKED BUTTERFLY VASE MARK AND PERIOD $850. 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. The dimensions Length x Height.3. He has extensive experience in the field of buying and selling antiques and collectibles. 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. Chervenka, Mark. 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. 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. The colors of slag glass are also a great way to identify authenticity. A Victorian purple and white pressed malachite / slag glass posy vase or bowl. From Art Deco to 1970s Contemporary, we tried to list as many lamp manufacturers as we could find. A green and white Czech pressed malachite / slag glass vase. Manufacturer unknown. Separations, cracks or breaks A Victorian purple and white British pressed malachite / slag glass tumbler. Some of the most popular manufacturers were Miller, Bradley & Hubbard, Empire Lamp Manufacturing Company, Pittsburgh Lamp, Brass and Glass Company, H.E. Sales, Koscherak Brothers, and F. Pavel. $463.00. Here is a list of several authentic Handel marks. In more recent years it was made by Imperial Glass, by Westmoreland Glass, by Akro Agate, and several other companies. How to Look at a House: When Did the Code First Require Electric Receptacle Outlets to be Polarized? This list is limited to only a few results.Many more items are available to our members through our Price Guides! A Victorian purple and white British pressed malachite / slag glass cup. Today's retail prices for slag glass table lamps range from about $500 to $1,500, depending on condition, style, size and purchase venue. Some handmade collector marbles are small works of art that can command big prices. The mosaic glass created in Pittsburgh was a mixture of purple and either white or an opal shade. Table lamps with missing white metal The covered tureen is 7.5 inches tall x 6.5 inches wide. 2023 Active Interest Media All rights reserved. In 1938, he contracted with Fenton to manufacture a reproduction Hobnail barber bottle in amber and vaseline. Hedgewalker 10 years ago. with copper that will give the break extra support. It was my grandmothers and is over 60 years old. A Victorian purple and white British pressed malachite / slag glass bowl. A Victorian purple and white British pressed malachite / slag glass pin dish. A Victorian style mid century turquoise and white pressed malachite / slag glass spill vase. There is another theory that slagware, and some other glass decorated with multi-colored enamels, were made up from odds-and-ends of glass left over at the end of the day, Webber reiterates.3, The most common base colors include white, cream, primrose, and blue. The L. G. Wright Glass Company. For example, simple things like a bowl sold for around $20 apiece. Maybe inherited a Tiffany stained glass lamp The Pittsburgh Lamp, Brass & Glass Company was assigned at least five lighting-related patents between August 28, 1900 and March 21, 1916. Answered in 1 minute by: 10/25/2020. See if holding onto your favorite action figures as a kid has paid off. cheaper to use. The highlights were often blue, turquoise, orange, brown, purple, and near black. Fenton uses snap rings, so most of their pieces will not have a pontil mark. To enable personalized advertising (like interest-based ads), we may share your data with our marketing and advertising partners using cookies and other technologies. 5.Your shipping address for return shipping quote. Lawrence Gale Si Wright (1904to 1969) began buying and selling glass seconds in 1937. On the other hand, Tiffany Studios decorative items sold for several thousand dollars. However, the popularity waned at times. Machine and Mould, Island Mould and Machine, National Mould and Machine, and Stiehm & Son. In 1889 Davidson's introduced one of their most popular and successful lines, a colouring which they called "Pearline". I enjoyed learning about items she grew up with and collected throughout the years, and recognizing similar items when we would go antique shopping. February 21 . Modern slag glass is still being made today in USA, and comes in a variety of colours. What Is Slag Glass? Many of the same designs for milk glass were also produced in slag glass. The number of broken pieces.4. Unsigned decorative glass items like compotes and vases tend to sell between $5 $50, even if they are from the 19th century. Antique Tiffany lamps are sought-after today and the market remains competitive for investment-quality works. Original Price BRL 2,616.52 This would still give the marble effect without the use of actual slag. 205 - Grouping of Glass Flowers Leaves Slag Grouping of Glass Flowers and Leaves, some appear to be Slag glass. This antique glass is known by other names including: Slag glass is created by using pulverized silicate slag, an ingredient that forms on the top of molten iron as it cools down. Manufacturers usually make slag glass by mixing this silicate slag with clear glass. and skills can help you. Louis XV style ceiling lamp. For many glass collectors, finding a beautiful treasure with antique glass markings is a special treat.