For example, simple things like a bowl sold for around $20 apiece. If you're a collector of antique lighting, you've likely come across slag glass lamps. Wonderful petite, Original 1910-1920's slag glass lamp, shows, REVERE Copper and slag glass lamp, its faceted. If exposed to a black light, the glue residue would show on a newer lamp. Discerning Victorian consumers resisted purchasing marbleized glass in some cases and preferred more decorative elements in crystal. Answer: The opaque bent panels of pressed glass with the creamy, golden swirls in your lamp are typically referred to as slag glass. 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. But before you buy or start working with slag glass, it is important to know how to identify it correctly. Slag glass was first created in England in the 1880s as an opaque brown with white streaks from iron slag. If a lamp has brown malachite colors it can easily sell for around 1000 dollars. You can email the site owner to let them know you were blocked. If the base color is brown, purple, blue, or green theres a decent chance that it is a vintage make. The colors of slag glass are also a great way to identify authenticity. They moved across the Ohio River to Williamstown, West Virginia, and built a . Glassmakers have achieved a similar-looking marbled effect to slag by simply mixing two different colors of glass together. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'antiqueanswers_com-large-leaderboard-2','ezslot_9',165,'0','0'])};__ez_fad_position('div-gpt-ad-antiqueanswers_com-large-leaderboard-2-0'); Challinor Taylor and Co. was an early U.S. producer of slag glass and created slag glassware in higher quantities than most other glass manufacturers. Tiffany . She has also managed an online antiques community. He has extensive experience in the field of buying and selling antiques and collectibles. 2023 LoveToKnow Media. Simple Tests Tell Age of Leaded Glass Shades - HubPages Whether youre looking for a decorative piece to spruce up the place, or searching for that next big purchase as a collector, the world of slag glass has something for everyone. Cabinet-Sized Slag Glass Specimen E1700 | eBay IDENTIFY SHADE DESIGNS I think the one c stands for a casting company. Slag glass is no longer produced as it once was. Slag glass lamps are one of the most sought-after items made of slag glass. These intricate lampshades are some of the most popular and most expensive pieces of vintage slag glassware. Now, you can find slag glass pieces in practically any color. In exceptional condition. 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. LAMP SHADE - Leaded slag glass lamp shade, TABLE LAMP - A four panel, dark green slag. Examine the lamp base and verify that it has a real bronze finish. How to identify a slag glass lamp (Source). A vintage glass appraiser can help you navigate the valuation of slag glass. 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. The key identifying feature of this type of glass is its similarities to the patterning found in natural marble. Shade measures 7 1/4" x 16 1/2". Free shipping for many products! Fenton Glassware: Identification and Value Guide - Antique Mall Slag glass is a man-made opaque base glass with marbelized swirls in a different color. $1,551 57% Off $3,600. 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. Slag glass was a sought-after material for decorative items from the late 19th to the early 20th century. The marbling should be a creamy white color that is evenly mixed into the base color. Your IP address cannot be used to identify you. 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. Share via E-Mail; Share via Pinterest; Copy Link; 1930s Traditional Slag Glass Lamp. Because slag glass is made from recycled materials, it often contains small bubbles or imperfections on its surface. A few examples of modern glass manufacturers operating out of the US today are Boyd Glass, Mosser, and Summit. Contact Us. The marbling should be a creamy white color that is evenly mixed into the base color. Manufacturers usually make slag glass by mixing this . The history of slag glass goes back to the late 1890s in Gateshead in the northeast of England. Whats the difference between Slag Glass and Stained Glass? Bradley Hubbard Lamp for sale | eBay New York Art Deco Nude Dancer Spelter. The older piece, the greater value it has. The base of slag glass is an opaque color, and the streaks are typically a milky white or cream color. There are several things to keep in mind when looking to identify whether something is slag glass or not. The ecology website also notes that slag glass can be incorporated into landscaping designs or used as decorative stones in gardens and ponds. How To Identify Slag Glass Antiques These colors are created during the manufacturing process and can vary greatly from piece to piece. Tiffany lamps are famous for the vibrant colors and varied textures used in the glass design. A large part of the 2,700 m exhibition area is located under Schlossplatz. Most slag glass replacement panels are completed the same week. Fenton Art Glass Company - Wikipedia Vintage pieces can also be commonly found in a dark purple color. If possible, consult a knowledgeable collector or visit an antique store to verify authenticity. The company mass-marketed lamps, tableware, and tumblers. 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. One of the most common applications of vintage slag glass is in lighting. Caramel 'Slag Lamp' Value Lights Up - Antique Trader As technology and manufacturing changed over time, new colors have been introduced to the slag design. $40.00 shipping. Identifying Slag Glass. How do you identify a glass slag lamp - Wiki 9. It has distinctive a distinctive knob pattern and comes in a variety of colors. Manufacturers experimented with different methods to achieve this malachite-like look. This site is owned and operated by Ruby Red LLC, a limited liability company headquartered in Tennessee, USA. According to the Glass Encyclopedia, Slag glass is made by mixing pulverized silicate slaginto glass-pressing. Happy hunting! Imperial's success was guaranteed by one its first orders -- approximately 20 different items to be supplied to almost 500 F. W. Woolworth stores. 10 Easy Steps on How to Identify Slag Glass Step 1: Look for a Marbled or Swirled Pattern One of the easiest ways to identify slag glass is by its marbled or swirled pattern. Performance & security by Cloudflare. Real slag glass will not have a solid color but rather a blended, marble look. Chances are if the glass is colorful and has a rough texture, its slag glass. These lamps rarely sell for less than 100 dollars. This roughness is caused by the recycled materials that make up slag glass, making it different from smooth stained or flashed glass. 8 Tips for Identifying an Antique Lamp I have a vintage slag glass desk lamp with the mark cCco on $1,200 Sale Price 14% Off . Mosiac glass is sometimes used interchangeably with slag glass, although there are some technical differences. Brush strokes, however, are an indication that the lamp was hand-painted. Slag Glass Lamps - Ideas on Foter Older pieces are worth more because as time goes on, antique slag glass is harder to find. Quezal shades were often used in groups on a table lamp or chandelier. You may also wish to polish the piece with a small amount of mineral oil for added shine and protection. The dimensions Length x Height. Show & Tell. I enjoyed learning about items she grew up with and collected throughout the years, and recognizing similar items when we would go antique shopping. Some slag glass may also have opaque white sections, often in the form of streaks or patches. Antique Slag Glass Lamps | Collectors Weekly In addition, slag glass panels were used in lamps, jewelry boxes, and other collectibles. Antique Lamps Online | Antique Vintage Lamps Always remember to inspect glassware in a room with good lighting. The slag glass on this lamp is primarily white, which affects the color of the cool light cast by the light bulb. Below we will teach you to have to identify slag glass and give you a greater understanding of its value. This$13,464 pair of slag glass lampson Etsy is one example, along with this complete setfrom the Hilltop Steakhouse in the United States, being sold for an even $15k on eBay. Slag glass is named after silicate slag, a colorful material that is a byproduct of molten steel. Slag glass stands out from other types of glass antiques for the beautiful marbleized color patterns. Slag glass antique lamps sell between $200 and $2,000, and most of the value is in the light itself. Related Posts: Cranberry Glass Decanter Q: This cranberry glass decanter belonged to my mother or; Jefferson Glass Co. Lamp Q: I have a Jefferson lamp with the numbers "2367"; Slag Glass Lamp Q: I'm looking to find some info on this slag; Tiffany Style Lamp Q: I recently acquired this "Tiffany" style lamp. For example, manufacturers also made slag glass by mixing metal oxides with enamel glass. This is listed on the bottom of most slag glass items, especially lamps. Did we forget one? Prices go up significantly if a light is signed by a prominent manufacturer like Tiffany Studios or, to a lesser extent, Bradley & Hubbard. Cavo is the author of Love Immortal: Antique Photographs and Stories of Dogs and Their People. Of course, no discussion of antique lamps is complete without the Tiffany Pond Lily Lamp, circa 1903, which sold at . Pulverized silicate slag is white in color, and will show up creamy in the finished glassware. Gallery of Antique Aladdin Lamps - From 1 to 23A In the early 20thcentury, Thomas Dugan and Harry Northwood were the first to make imitation slag glass, called mosaic glass. The slag floats to the top, cools, and is collected to mix and make slag glass. What Is Slag Glass? Antique Works and Values | LoveToKnow A similar look can be produced using multiple colors of glass mixed together, each individually colored using various compounds. Modern day slag glass manufacturers in the U.S. include Fenton, Mosser, Summit and Boyd Glass. However, since each piece will have very unique marbling patterns, the estimated value can vary greatly based on personal preference. Avon calling. 3. The original factory was in an old glass factory in Martins Ferry, Ohio in 1905. Consult a professional or experienced collector if youre unsure about a pieces authenticity. Happy collecting! Vintage glass pieces come in so many different colors, types, and styles with different names for each variety. Happy collecting! 1230A - 10 1/4 Alpha Art Glass Green Vase Lamp. Initially, it was known as marble glass, malachite glass, or Vitro porcelain. As with many other types of vintage glassware, the slag glass technique can be found in all sorts of different pieces, decorative or functional. It was my grandmothers and is over 60 years old. Art nouveau floral filigree frame shade coloured glass reservoirs and clear glass chimneys, 90cm high/Provenance: Tidenham Manor a lantern, arts & crafts style green glass shade. blue marblised base with circular frosted glass shade, 27cm high spelter figure of a maiden with outstretched arms lying on a hollow art deco design base, single socket fixture, 10 3/4'' h. x 19'' x 8 1/4''. Slag glass was originally created in the United Kingdom in the 1890s by adding this slag substance during the glass-making process.