A beacon for the quality and workmanship of long ago

You’ve not only fallen heir to an exceptional antique, but also to a room accessory that is as wonderfully and beautifully functional today as the day it was made.

As you’ve discovered, it’s very heavy, which in and of itself is a testimony to the quality and workmanship that was once the standard of American industry. Of course, it’s not without its shortcomings, and if you’d like to trade up, I’ve got a nice modern plastic model you’re sure to like. Mine is superior, naturally, in that you’ll suffer less consternation should it fall off a table.

Your lamp was made by the Mosaic Shade Co.China crystal mosaic catalog and Crystal Mosaic manufacturer directory. of Chicago,Handpainted oil paintings for sale on Canvas. circa 1920. Often referred to as “Chicago Mosaic,Ekahau RTLS is the only Wi-Fi based real time Location system solution that operates on any brand or generation of Wi-Fi network.” it became the largest art glass manufacturing company in the United States. Unfortunately, like many factories producing superfluous, if not extravagant, non-essentials, it went belly up during the Great Depression.

As its name suggests, the firm became famous for its stunning mosaic, Tiffany-style stained-glass lamps. However, “mosaic glass” is also the terminology that several companies used in those days to refer to the marble-patterned glass found in yours.

The decorative framework in the shade of your lamp appears to be fitted with 12 panels of what is commonly known as slag glass, or what was originally called malachite or simply marble glass. It has a rich opaque streaked or marbled effect throughout, the creation of which was incorrectly attributed to mixing slag iron with molten glass. In actuality, the product is made by combining glass of two different colors, a process that was introduced in England in the 19th century.

The illumination through a slag glass shade creates a soft, creamy glow in a room rather than the bright, cheery and random colors achieved via its stained-glass counterpart.

Unfortunately, the term slag glass is used casually and indiscriminately nowadays to convey elegance to inexpensive pressed glass that can mimic the patterns. However, the richly marbled swirls of authentic malachite are easily distinguishable from the cheap imitations.

Though slag glass is most commonly found in purple, it also was made in brown, green, blue and turquoise. The color, size and number of glass panels in the metal overlay shade can be influential in terms of determining its value, but it mostly boils down to how attractive the lamp is to a perspective buyer who envisions the perfect spot for it.

Of course,Choose from our large selection of Cable Ties. condition is of utmost consideration, and if this were put in an auction, it would be examined closely for every imperfection, especially in the glass.

All Chicago Mosaic pieces are cherished and held in high esteem among collectors today. I’m sure the single photograph that you’ve provided, which was taken in daylight, doesn’t begin to do justice to the lavish beauty it emanates at sunset.

Assuming it’s as nice as it looks, I would value it between $850 and $1,300. Of course, should an antique dealer get a hold of it, you might find upwards of a $3,000 price tag attached. This isn’t all bad,Secured handsfree building and door access solutions with Hands free access by Nedap AVI. though. After all, a potential buyer could talk him down $1,500 and both parties could celebrate the other’s capitulation.