Insulator Collectors On the Net


Insulator collecting is an exciting, but sometimes little known, hobby. These glass and and porcelain insulators played a key role in the development of the telegraph, telephone, and electric power networks. Featured here are some of the best insulator resources on the web, and cover insulator clubs and shows, insulators for sale and trade, and individual collectors pages. Many of these sites are rich with colorful images or fascinating stories of collecting these historic gems. Please note that commerical sites attempting to join this ring will be rejected.
Category: Collecting


I have about a dozen blue glass insulators that I am trying to find out what there worth and intrested in selling they have h g co or h c co on them beleave they are from Colorado can anybody tell me where to go to get the info?




Collectors site dedicated to porcelain signal style insulators. Dozens of different manufacturers displayed, rare one of a kind porcelain signals and hundred of individual signal photgraphs.

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I have about 10 yrs of "insulators crown jewels of the wire" from 1972-1981 a few issues of "cross arms" and "the old timers bulletin" I am passing on from my grandfather. If anyone is interested in them please e-mail me at trenhel@integra.net.


I know that Clear Hemingray 45's are common but I have a number of them and would like to trade for other insulators of similar value.


I FOUND A ROUND PIECE OF VERY SOLID GLASS ABOUT 12-14" IN DIAMITER.. FROSTED...WITH NOV. 30, 1954 AND THE TRADEMARK M8 IN A CIRCLE...I CAN'T FIND ANY INFORMATION ABOUT THIS TRADEMARK. DOES ANYONE HAVE ANY INFORMATION?


20 years ago i found what looks like a glass insulator for electric in Italy. It is the same color as the usual blue as seen in the U.S. But, on the bottom of the "jar" is has a "date" of 1815 with like "paw" marks ontop of the date and same underneath. The "jar" is much taller than the usual ones I have seen. my number is 937-217-9577




A insulator site showing a example of all known CDs, U & M number. Site has clean simple to navigate.

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Glass Insulators

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I have some insulators,makes are Hemingray (clear) Armstrongs (clear) and Whitall Tatum (light blue).Do I have anything other than just interesting pieces of glass? jack56dexter@yahoo.com




A Collectors Reference: Hemingray H.G.CO. CD162 Dripped Glass Insulators, Drip Point History, Display Photo Album, Basic Styles Defined, Early Advertising and Fantastic Insulator Links.

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Insider secrets to glass insulator color revealed: Color & Light variables defined, Photo Reference of Glass Insulator Color Names.


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Information site about the Chicago Insulating Company that was in business during the 1880's and were distributors for cd135 and cd109 glass insulators.

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A site belonging to another insulator nut. Shows some details about my tiny collection, the story behind the obsession, insulator lighting ideas, and The InsulCam Project.

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site about old USSR collectible insulators

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Hemingray On-Line Museum

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