These are the normal-groove style number 60. Very few insulators were made in colors. Somehow they thought this was better insulation because the wire contacted the glass less, which was ridiculous. The great majority are found in aqua, Hemingray Blue or clear glass. Date codes were began to be implemented around 1933 or shortly afterward, that being the year that acquired ownership of the Hemingray facility.
As stated earlier, the Hemingray-42 is probably the most common U. Naturally the more damage an insulator has, the lower its value. In some cases, the letter designated the type of material the mode was made out of. From undated real photo postcard, Joliet, Illinois, circa 1909. They are very popular with collectors because of the wide color range and the shop letters. The most recent price guide currently available is the. In conjunction with the expansion of rural electrification in the early 20th century, there was a major boom in the manufacturing of insulators, with production peaking from the 1920s through the 1940s, when millions of Hemingray, Dominion, and Brookfield insulators were produced every year.
Hope this will be of some help! It is likely that at least one Hemingray-42 can be found in nearly every large antique mall in the country. My father gave me a Micky Mouse insulator in a milk electric blue. Thank you for your patience and understanding! I was unable to get close enough to determine the exact embossing. A pair of Hemingray-60 Mickey Mice in the grass at a nearby park. And, how do I find the value and where can I sell to collectors? Best regards, ~David Shawn, with a ground lip, and in an ordinary aqua color some shade of light blueish-green , your jar most likely dates from sometime in the 1870s-1900 era. Thanks for taking your time to identify and provide dates for vintage insulators.
Others have additional markings such as O-4 or O-8 with or without dots. The Muncie plant is operated as the Hemingray Division. I have looked on- line several places and can not fond any information. This vintage insulator is clear glass. However, not all 42s have this type of date code, especially some of the earlier units dating between 1930-1940. Sometimes an individual mold can be identified by studying and comparing insulators that were produced from it over a considerable stretch of time.
None of the aqua 42s have any type of production date codes on them. Bottles, fruit jars, kerosene lamps, tableware, and other misc. During the 1960s, 1970s and 1980s many of these lines were dismantled as technology advanced. Old photos from around the U. Sometimes the layers of soil are so heavy that the true color of the insulator cannot be discerned. This link points to one of the pages on insulators.
In other cases, just the single digit 9 rather than the two digit 39 was used to represent the year of 1939 a transition year as well as just the single digit 0 to represent the year of 1940. Saw it at a bottle show and had to have it. On the example I have, the mold number is 6A. The Hemingray 42, a telegraph insulator produced by the Hemingray Glass Company, is widely found in North America The Hemingray Glass Company was an manufacturing. Two days would be better. Your insulator was made in 1943.
As a result, the glass a distant cousin to Fry glass is often eroded and pitted from the acid soil, but this specimen seemed to avoid a lot of that kind of damage. They are usually gray, white or brown in color. Thus O-4 means the mold was made in 1934, O-8 means 1938. Welcome to the Hemingray on-line Museum. It is very clear with no discoloration.
This bottle was made by Hemingray in the 1870's and 1880's. All that can be said is that the aqua turquoise or blue-green, as well as Hemingray Blue, and some are found in true green 42s date from 1921 to around 1930 or 1931. This gives the actual date the insulator was produced. If only I had money then, I was just a kid and five bucks was a lot of money and ten was way over my price range. This is discussed in following paragraph. The transition to porcelain started in the 1950s and by 1970 they were pretty much done. This system was instituted by N.
There are several ways to clean insulators, but the easiest in my opinion is to soak the insulator in a product that contains the active ingredient oxalic acid. Please examine the images carefully to verify the condition of the item prior to making a purchase and feel free to contact me if you have any questions. On earlier insulators, many minor variations in the engravings cut into the inside surface of the molds resulted in slight differences in the exact appearance, size and placement of the raised lettering seen on the surface of the glass. Hundreds of different styles were developed over the years, and insulators are found with a wide variety of embossed names, initials, patent dates, and other markings. Primary Embossing This is the main embossing on the insulator such as Hemingray, H. National Insulator Association Great information and articles.
The Hemingray Glass Company The Hemingray Glass Company 1848-1972 This site was created to show examples of the products of the Hemingray Glass Company. So it was hard to get it to stay on the pin, they would glue them on. Paul, either you have a typographical error there, or have misunderstood something. When I lived in San Mateo a lot of the old was still up in the air. Can you send a pic which captures the coloration? Color The color of the insulator. Hi Diana, You have a whiskey bottle or decanter made by.