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Vintage 40's LIGHTOLIER Porch Light Fixture Prismatic Glass Globe w/purple glass

$295.00 or Best Offer Unsold, 14-Day Returns

Seller: seabeeguy60 (3,854) 99.8%, Location: Rochelle, Illinois, Ships to: US & many other countries, Item: 172428255337 ABSOLUTELY STUNNING-WELL CRAFTED-HEAVY GLASS-WILL LAST A LIFETIME VINTAGE 40's LIGHTOLIER PORCH LIGHT GLASS PRISMATIC GLOBE in a soft Lilac/violet hue For a restoration project--the pieces that you have been looking for. Almost complete fixture.The VERY thick prismatic Purple glass globe was made at a time where solarization took place. See Below.This has been given a new porcelain socket & wiring..just needs to find its hat.Gorgeous piece & VERY Hard to find. Glass is intact-no breakage or damage of any kind-which is a miracle in itself.Made from cast iron or aluminum & brass. Details are amazing.Measures: 13"H, Glass Globe is 6"H x 5"W Please view all the pictures provided as they are an important part of the description. Founded in 1904, Lightolier has long had a reputation as a leader in design and quality, this lantern being no exception. These fixtures were made in copper or brass with thick prismatic lenses which distort the light, throwing interesting patterns across the room.PURPLE GLASS---HOW?? READ onSOLARIZATION OF GLASS Many glassmakers through the centuries have attempted to produce clear, colorless glass. Impurities, especially iron oxide, in the batch ingredients that were melted to make the glass often resulted in glass that was greenish instead of the desired "water clear." An interesting characteristic of colorless glasses which contain manganese dioxide as a decolorizer is their tendency to turn different shades of purple when exposed to the rays of the sun or to other ultra-violet sources. It is a photochemical phenomenon that is not yet perfectly understood. It is generally accepted that the ultra-violet light initiates an electron exchange between the manganese and iron ions. This changes the manganese compound into a form that causes the glass to turn purple. It was in the mid 19th century that manganese dioxide, popularly called "glassmaker's soap," began to be used by American glass manufacturers as a decolorizer. By including a small amount of this ingredient in the melt, they could produce glass that appeared virtually colorless. An 1899 publication by Benjamin Biser remarked, "The especial use of manganese in glass is to mask or neutralize the greenish color imparted to the glass by the protoxide of iron. Manganese imparts to glass a pink or red tint, which being complementary to green, neutralizes the color and permits the glass to transmit white light. Pellat refuted this theory, and claimed that the green tint of iron was not neutralized by the pink of manganese, and thus subduing it; but by the iron taking another charge of oxygen from the manganese and becoming per-oxide of iron, and producing a reddish yellow tint, while the protoxide produces a green tint." Glass scientists today generally agree with Apsley Pellat, explaining that an ion exchange between the iron and the manganese molecules changes the observed color of the glass. This process is sometimes reversible by gently heating the glass to about 200°C. In the early 20th century, changes in manufacturing processes, as well as more pure batch materials, dictated different ways to decolorize glass, and the use of manganese oxide for this purpose dwindled. Selling it as we acquired it GREAT SALVAGED INDUSTRIAL MID-CENTURY LIGHT FIXTURE GLOBE PART Please view all the pictures provided as they are an important part of the description. CHECK OUT OUR OTHER **UNIQUE** ITEMS We strive for excellent service. Please leave feedback. Anything less than a 5~star rating hurts our business so if there is a problem please contact us first to try to resolve it. Thank U International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. If you are an INTERNATIONAL buyer be aware that we are NOT responsible for any extra fees/customs due. These will be the buyers responsibility. Thank You Condition: BEAUTIFUL VINTAGE MID-CENTURY BRASS & Cast Iron or cast aluminum LIGHTOLIER PORCH LIGHT Glass Globe is a light violet/lilac-Missing its top piece.STEAMPUNK INDUSTRIAL., Maker: LIGHTOLIER

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