The Hemingray-19 is a type of “signal” insulator, usually used for comparatively low-voltage electric lines, railroad signal lines and fire alarm circuits. They were from time to time utilized on ordinary telegraph and telephone lines. Most of the Hemingray-19s have been produced in aqua and they are really typical. Then telephones took over and got popular, and there was the Rural Electrification Act, which attempted to deliver power to all these farm persons. So there was a huge insulator boom in the early part of the century, they had been generating them by the millions. From the 1920s to the 40s, that’s when the peak was. Mold quantity “33” on the base of an emerald green soda bottle created by Owens-Illinois, Inc. Collections & Exhibitions Experienced collectors can usually make a great judgment among original and later carnival coatings. It is also believed that Hemingray insulators that are brass bushed are likely original as reheating tended to break these. The force of demand largely determines how nicely an antique piece will sell. The initially four listed are uncommon and desirable insulators and the info appears correct. Disc suspension insulators Regardless of whether you are a collector or seeking for information and facts on glass insulators, we are confident that with the information and facts dished, you now know how useful glass insulators can be. Dave, the majority of insulators discovered do not have a high worth . If there had been no insulators, the electric present passing through the metal wire would “leak” away at every single point exactly where the wire was touching a post or pole, specifically through damp climate. Similarly, having markings from much less-popular companies can make insulators far more beneficial thanks to their rarity. Starting in the 1960's, some collectors began treating insulators with carnival glass just after they have been taken out of service. The CD 257 Hemingray clear Mickey Mouse insulators are the very best instance. No carnival CD 257 is identified to be real, though they are nonetheless well-known with collectors due to their attractive look. There are some problematic CD's that are known in original factory carnival as properly as later application. Other suppliers recycled old bottles and other glass items, which resulted in swirls of colour, bubbles, and other exciting effects in the insulator. As the most made glass insulator, Hemingreay-42 can be identified anywhere across North America – if there’s a dismantled or disused phone pole, there’s a higher opportunity a Hemingray is nearby. Thankfully, it’s very simple to identify glass insulators. I’m confident they have some value and would be content to contribute them to any one who would like to add them to his/her collection. Boyd glass “chick salt” covered dish in lilac glass. OVG monogram on the base of a “Daisy & Button” shoe toothpick holder in amber glass. Diamond-I mark on bottom of amber bottle made by Illinois Glass Corporation. Blaze, I assume you meant that you have aqua (blue-green) Hemingray-42s that do not have any mold numbers or date codes on them. Those are the earlier versions, made circa 1921 to about 1930, and they do not have any embossed markings other than “HEMINGRAY – 42” on 1 side, and “MADE IN U.S.A.” on the other. Later versions of this form of insulator (generally in clear or off-clear glass) are extra probably to carry mold numbers and date codes. Cd 121 Light Lavender Mcanadal Antique Glass Telegraph Insulator Canadian! G7 As communication technologies advanced, electrical consumption increased, glass insulators became necessary for attaching wires to the poles. The rarest insulator I personal is a Fry Glass insulator. It is the similar kind of opal glass they applied on their tableware, known as oven glass, simply because it did pretty effectively with heat alterations. It was a popular sort of glass, but their insulators didn’t sell nicely. There are pretty few of them, but they come in a great opal colour. Vintage Glass Insulator, Hemingray 9 In Clear, Tiny C 1940s Strictly Needed Cookie ought to be enabled at all times so that we can save your preferences for cookie settings. I have doubts that the glass was produced by Hemingray. You may possibly try contacting Bob Stahr, webmaster of Hemingray.com, for his opinion. https://umek.pro/company/about-us
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