1985 >> September >> Letters to the Editor  

Letters to the Editor

Reprinted from "Crown Jewels of the Wire", September 1985, page 6

Dear Crown Jewels,

I was just wondering if you could possibly help me with two dilemmas. You have probably been asked these questions before, but I know of no one else to turn to. (And everyone tells me to ask you guys because if you don't know -- then it's not worth knowing; at least maybe you can put me in touch with someone who could tell me.)

First of all, I attended the bottle show in Rochester, New York (and had a splendid time, of course) and picked up a Chicago insulator.

The embossing was this: CD (135) Upper shoulder -- CHI. INS. CO. PAT. Oct 16, 1883. The piece is aqua. Would you happen to know when the Chicago Insulator Company went out of business? I've looked in every insulator book and have looked back into the history of Chicago for clues, but no luck. I'm having serious trouble even placing the date since it doesn't seem to follow normal guidelines; for instance, it has a three piece mold, so doesn't that mean it can't be too old? My guess is it was produced between 1900 - 1920, if you could shed any light on this please write back. (I m enclosing a few stamps in case you find anything, if not, I'll just keep plugging away at the library.)

Only one more thing, (aren't you guys glad) back in my first days of collecting, I picked up this little insulator for a couple bucks: green, pony style, looks like a three piece mold but there is a line over the threads (not over the outside of glass). 2-1/2 inches wide and 3 inches tall.

The only markings are 2 button like bumps on either side of the insulator. Could this be worth anything or, more importantly, who could have made such an insulator? I have never seen an insulator like it before (granted I'm not that experienced yet, but I'm working on it). My guess is it's some kind of Brookfield, who knows? If you could enlighten me on this gem, I'd appreciate it also. Either way, you will be hearing from me more since I'm a growing insulator enthusiast. Thank you.
Sincerely,
Scott L. Ash, NIA #3222
Akron, Ohio

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Dear Scott,

Not having a picture of the small pony you describe, I think it sounds like a CD 102.3 which has been attributed to the same manufacturers that made glass embossed K.C.G.W. I appreciated your letter and have asked Mike Sovereign to shed some light on your questions about the Chicago Insulating Company. Bail me out, Mike....

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Dear Carol,

I am not too well organized but did get together some data on the Chicago Insulating Company that Scott Ash had written to you about.

City of Chicago business directories listed Chicago Insulating Company at 122 LaSalle Street for the years 1883 and 1884. Based on this address this could have only been an office and not by any means a manufacturing plant. However the certainty of the actual manufacturing site is still a mystery.

Some thoughts as to the manufacture include Standard Glass of Boston, Oakman of Boston and Brookfield of New York. I personally only believe Standard and Oakman may be related to the insulators bearing the Fiske and Mott patent date due to the similarity of the base embossing on their units as well as on some of the Chicago's. Brookfield is more likely the glass manufacturer of these insulators as the appearance of the darker aqua and blue glass would indeed suggest Brookfield. Some of the CD 109's are a lighter aqua and these could lend themselves to Oakman or Standard manufacture but I really feel the design and production of the mold itself is all that one of these companies could have had to do with the Chicago's.

With Chicago Insulating Company, Standard Glass, and Oakman all out of business by 1899 at the latest (Oakman), and the mention of Fiske and Mott patent insulators in the book "American Telegraphy" copywrited 1892, the Chicago's were indeed produced before the turn of the century. How long production was is not known but generally accepted as being short considering the scarcity of the insulators. 

One does find them shown in the "Brookfield Line" of insulators named the Foretell (CD 135) and the Foreteller (CD 109). In these old Brookfield catalogs both units are shown with the Brookfield over New York crown embossing. This embossing places the date of the catalogs at 1897 and in the famous reprint of the  1912 Brookfield catalog the insulators are no longer shown.

Hope this does answer a few of the Chicago questions.

Mike Sovereign 
Wheaton, Illinois



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