Only one particular example has been discovered to date, in a shade of light green, and it was purchased at a flea market place in the Houston region. BROOKFIELD, BROOKFIELD, B, as effectively as numerous other people with markings of the end user enterprise, such as A T & T. For a lot more info on this prolific glass enterprise, see Brookfield Glass Enterprise page.

• There is no proof that this corporation ever made electrical insulators, despite the fact that a book about New Albany glass history (by Gerald O. Haffner) implies that it did.
• Maker of quite a few, if not most, of the “KNOWLES” embossed insulators.
• A crackled Hemingray-42 glass insulator, CD 154, in aqua.
• The only marking on them is an embossed “star” on the bottom skirt.

Also, for a webpage on a pretty well-liked item produced by Indiana Glass for a lot of years, click here for my page spotlighting their “Hen on nest” dishes. Quite a few scarce and uncommon styles of insulators have been evidently made there, none of them marked. A uncommon fruit jar is known, marked “CADIZ JAR” on the front.

Existing Auctions

MAYDWELL – 42 Manufacturer of the units embossed “MAYDWELL” which have been made for Maydwell & Hartzell, a distributor of goods for electrical utility providers. Insulators marked “CALIFORNIA” and “C.G.I.CO.” have been created right here. Click right here for additional information on the California Glass Insulator Business. Insulators marked “B.F.G.Co.” have been made by this firm, and a number of other unattributed styles are believed to have been made right here as nicely. Crackling glass is a approach that entirely destroys the value of insulators, but this one was done correctly and looked cool sufficient to warrant the whole $three I spent on it.



A Lynchburg No. 44 glass insulator, CD 154, in light blue aqua. The original corporation listing was place together as a browsing guide for a study trip to the Smithsonian All-natural History Museum catalog archives in August 2006. A particular thanks to Caleb Thimell for supplying his list of foreign insulator firms and to Rick Soller for his input and organization listing on his internet web page. Recent sources for additions to the list and historic specifics came from the links shown under with a couple of individual contributions, most notable being Jean-Pierre Volatron. A unique thank you to Bill Meier for dramatically enhancing the table formating and file size. Please check back periodically as new data is added and updated regularly.

The insulators are embossed “THAMES GLASS WORKS” on the front of the crown, and “NEW LONDON, CT” on the rear crown. They are produced of a pretty dark olive amber black glass. Insulators marked “N.E.G.M.CO.” were produced by this firm. Although the factory was reportedly listed only in the 1899 Boston directory, it is believed that actual glass production started in 1898, and might have lasted into early 1900 before the new directory was printed.

On this webpage I’ve compiled a list of glass insulator manufacturers — factories that made glass electrical insulators. Even though mainly listing factories that were positioned here in the United States of America, I’m also which includes a handful of Canadian and Mexican firms. I went to the Lone Star Insulator Club’s annual potluck on Saturday, and got a few truly cool glass insulators. Here’s a pair of Hemingray - 42s in beautiful correct green! For some information on numbers embossed on the bottoms of glass bottles and jars, check out this page. This manufacturer created a assortment of glass electrical insulators marked “O.V.G.CO.” Please click right here to go to my page on this glass performs.

Cd 152 Diamond Canada

The later Maydwell glass insulators have tall domes, so this is not a later mold, and it doesn’t match McLaughlin’s quick mold insulators, so how this guy came to be is hard to discern. The photos are typical of the product shown. Actual grain patterns in wood, finish colors, tiny insulator blemishes etc., differ slightly with each piece we obtain or make. We make every single effort to guarantee that the images shown represent what you will acquire. insulators power lines Maydwell insulators, with the exception of the milkglass assortment, are observed in off-clear colors. The Maydwell 62's appear to offer the greatest range of coloring in an intriguing S.C.A., a light green tint, deep straw.

Cd 162 Hemingray

Please note that quite a few of our products are vintage and several are applied. The sands of time have an impact on components due to years of climate, handling, storage method, and/or natural degradation of the material itself. We attempt and accurately describe the things we sell . Due to differences in lighting or display devices, there might be variations of opinion as to the attributes of a unique item.

Insulators have been evidently only developed in the course of the period of 1920 to 1923. Most of the insulators they made are embossed “GAYNER” on the skirt region. glass insulators for power lines Their main line of glass merchandise consisted of numerous types of bottles and fruit jars.

Diamond-I mark on bottom of amber bottle made by Illinois Glass Firm. This bottle base has 1949 date code to ideal. OVG monogram on the base of a “Daisy & Button” shoe toothpick holder in amber glass.