Hemingray Glass Company is the best known and was the most prolific glass insulator manufacturer in the world. Hemingray began as a small operation in Cincinnati in The exact year when actual insulator production ended at the Covington site is still undetermined, but it was likely sometime in the period. The Covington factory also re-opened for a short time in the period. The business offices remained at Covington until , at which time all operation was moved to Muncie. The Hemingray factory and business offices were located on Macedonia Avenue, in the southern part of Muncie.
Western Railroad Discussion > Insulator Question
They were used in large numbers on rural communication lines as well as short-distance lines within towns and cities. A large percentage of their insulators were made with drip points for many years. Most of the Hemingray No.
Vintage Aqua Glass Hemingray No. 9 Telephone Insulator Pat. Date May 3 $ $ shipping. or Best Offer. Watch.
Click here to see what you are missing! Some are a hard plastic maybe bakelite? Is there any way of determing how old these insulators are? Bob L. Ah, my other hobby Without photos or a note of the embossing on them, it’s really hard to say. Some of the glass in the later years has a date code molded onto it if you know how to read it. However, that varies with manufacturer and even model, and many others have no such distinction.
Hemingray Glass Company
The 10B is a mold number, serving to identify the exact iron mold used. For more info on Hemingray and Hemingray products, check out these sites: ; ;. Production continued after a purchase by Kerr Glass Manufacturing Co. For a listing of some primary embossings found on glass insulators, and the glass factories that may have produced them,.
After discovery of natural gas in east-central Indiana, Hemingray Glass Co. In , Owens-Illinois Glass Co. purchased the company; Hemingray insulators official histories of the Hemingray Glass Company also confirm the date.
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HEMINGRAY glass insulators
BIG update today. Introducing “Project Cass Lake”. Project Cass Lake is a Hemingray insulator listing verification project.
Object Name: Insulator. Date made: ; associated date: maker: Hemingray Glass Company. Physical Description: green (overall color): glass (overall.
Brief overview of Hemingray Glass Insulators: Hemingray was the world largest manufacture of glass insulators. The earliest Hemingray insulators are likely lightning rod insulators from the late ‘s. The last Hemingray insulator was made in They continued to produce insulators a full 30 years from this date, the scale of their manufacture is quite impressive, even by modern standards.
Threadless: Little is known about Hemingray manufacturing of threadless insulators. They most likely made several styles, but more research is needed to prove this. On style we know of is the CD Patent No. The CD On May 2, Hemingray received a patent Patent No , for “teats” or what we call “drip points” This would become an iconic feature of Hemingray insulators.
The Idea was it would help encourage the water to drip off the insulator. They continued to use the Hemingray name as it was the dominate name in the insulator world.
Macedonia Ave. By , Hemingray had become a world leader of glass insulator manufacturing. Hyve, The Hemingray Glass Co.
Hemingray glass insulators. 50 plus Hemingray insulators. Hemingray # 16,17,42,45,patented,patented May 2 ,&
The earliest Hemingray insulators are likely lightning rod insulators from the late ‘s. The last Hemingray insulator was made in Over the years of production, they made billions of insulators, infact in they had made there billionth Hemingray insulator! They continued to produce insulators a full 30 years from this date, the scale.
Hergestellt in den USA Sehr. Jetzt ber die Preissuchmaschine. All Hemingray insulators since have had mold and date codes on them. In the Price Guide, these are generally referred to as [Numbers and dots and [Number. There are several different patterns, and some special cases as well. Ein paar Glas Isolatoren datiert von Estlands Sowjetra. Wir haben alle Arten von anderen dating so weit zurck wie , in braun, wei oder Glas.
Preisvergleich der ersten Wahl. The Hemingray Glass Company operated between and was the largest manufacturer of glass insulators in the world. This web site is dedicated to providing information on every insulator style made by Hemingray.
Vintage | Insulators
If you collect antique glass insulators, you may encounter the venerable Hemingray telegraph insulator. This recognizable model came in many different colors, some of which are rare and valuable. Learn about the history of the Hemingray, as well as how to identify one you may have found. If you’ve ever driven by old telegraph lines next to a railroad, you may have noticed the glass insulators sparkling at the top of the poles. During the era when telegraphs were a primary method of communication, these glass insulators kept the wires from coming into direct contact with the sometimes wet poles.
This helped insulate the signal and allow it to travel across the country.
Another major U.S. manufacturer that produced glass insulators was the Hemingray Glass Company. They were known for producing the most variety of colors.
You can see of a picture of a soot covered on in insulators. Notes about production 1. Molds with and without the MR exist so the MR was added after the mold was used in a particular year since there is no sign of a blot out. Four molds have been identified: 20C, 33C, 36A, 52A. Two different years of production exist:. How many exist? About of these are known to exist. John Scherzinger reported in September finding two of them in a Wisconsin pile mold 52A and 36A.
One was found in Kentucky. Back in the ‘s about half a dozen were found in a flea market in New Jersey. No one knows what the MR stands for at this point. There is much speculation, however. The main thread is that it is an abbreviation for something.
Hemingray-42 History and Value
This section is for things directly for sale on this site. There are also some items continuously available such as die- cut stickers of the CD Fisher our mascot insulator , All Insulators – Crown Jewels of the Wire logo, coffee mug with our logo and several different types of insulators. Mug is available in 20 colors!
An insulator pillow my personal favorite item, so cool!
Welcome to the Hemingray Glass Insulator Database! Date Codes – This section details the different mold and date codes Hemingray used from
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