Notes

Insulator Displays
For an extensive list of glass manufacturers’ marks on bottles, fruit jars, insulators, tableware and other things, please click here to go to the GLASS BOTTLE MARKS pages, . Fry Glass created 5 diverse varieties of glass insulators that are recognized so far and all are special designs and very uncommon. Most identified examples were recovered from the factory dumpsite.

A verify exists circa 1870 that indicates telegraph insulators had been then getting produced. A number of the “STAR” embossed insulators have been made at this factory. "Due to stock status and time variations, we will pick to ship your i... Mold number “33” on the base of an emerald green soda bottle made by Owens-Illinois, Inc.

MAYDWELL – 42 Manufacturer of the units embossed “MAYDWELL” which were created for Maydwell & Hartzell, a distributor of merchandise for electrical utility organizations. Insulators marked “CALIFORNIA” and “C.G.I.CO.” had been created here. glass electrical insulators - Bing images Click here for much more information on the California Glass Insulator Company. Hv With High Voltage power Transmission line insulators and their Types Insulators marked “B.F.G.Co.” had been created by this firm, and a number of other unattributed styles are believed to have been made right here as properly. Crackling glass is a course of action that entirely destroys the value of insulators, but this one particular was accomplished correctly and looked cool adequate to warrant the entire $3 I spent on it.

Brown Ceramic Insulator

A Lynchburg No. 44 glass insulator, CD 154, in light blue aqua. The original business listing was put together as a browsing guide for a investigation trip to the Smithsonian Natural History Museum catalog archives in August 2006. A unique thanks to Caleb Thimell for supplying his list of foreign insulator businesses and to Rick Soller for his input and business listing on his net web-site. Current resources for additions to the list and historic details came from the links shown below with a couple of individual contributions, most notable becoming Jean-Pierre Volatron. A particular thank you to Bill Meier for significantly improving the table formating and file size. Please check back periodically as new data is added and updated frequently.



I have seen several poles with three to the pole. I personally feel that the Maydwell 10 is the most challenging to come across, with the exception of the castle, which I will cover later. I have in no way noticed Maydwell 19's in use on anything other than railroad circuits. One particular is embossed "Maydwell 16W" I can only surmise that the "W" has anything to do with the wire groove, as it is not as pronounced as the other two Maydwell 16's. It is found only on the assortment with the big round drip points.

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

Intact telegraph poles are rare around here since AT&T ripped them all out and threw them away, rather than letting them rot in spot like usual. These that are left behind have been mostly as well rotten to choose up in 1 piece. All about my hobby, insulators and other electrical stuff. Maydwell & Hartzell has been serving the electrical power sector considering the fact that 1895. Sign up for our email list to get updates on our upcoming auctions.

Seller Information

This listing is for a single Maydwell No. 9 insulator, pony style for telephone, that will make a fine addition to your collection. It has a great clear glass with a grey tint. This insulator has no important blemishes and all drip points are intact. The insulator had been cleaned in a specially formulated acid bath and completely washed for maximum shine.



Only one instance has been discovered to date, in a shade of light green, and it was purchased at a flea marketplace in the Houston area. BROOKFIELD, BROOKFIELD, B, as well as a lot of other folks with markings of the finish user firm, such as A T & T. For much more data on this prolific glass company, see Brookfield Glass Firm page.

Information readily available on these companies.Sources of some of the facts is integrated just after each and every entry if I have it out there.

Let's cover the CD 206 castle, which has been observed in the straw colour. Very first, I have read articles attributing this insulator to Maydwell for the reason that of the grill marks seen on the bottom of some of the castles. I have some milkglass that have this marking on them. On the other hand, I also have some McLaughlins with these very same markings. Second, we know that when McLaughlin insulators were forced to an finish, Maydwell and Hartzell were left with no a manufacturer of insulators.
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