How much are old glass electric insulators worth?
On average, these glass insulators tend to sell for around $20, though there are special instances where insulators can sell for significantly more than that. Generally, the insulators that sell for more are rare, either because of their manufacturer or their color.
What is the rarest insulator?
Most Widely Desirable Scarce to Rare Glass Insulators
| Rank | CD | Description |
|---|---|---|
| 1 | CD 130.1 | Cal Elec Works, Cobalt Blue |
| 2 | CD 181 | NN (Pluto), Aqua |
| 3 | CD 123 | EC&M, Cobalt Blue |
| 4 | CD 151 | H.G.Co. NATCO, Peacock Blue |
How can you tell how old a glass insulator is?
Look for a circle with an A in it. If it is followed by two numbers, the first number is the mold number and the second number is the year +1900 the insulator was made. For example, (A) 39 49 means the insulator was made in 1949 with mold #39.
What is the most valuable Hemingray insulator?
Let’s have a Look at the Big 10 in the World of Glass Insulators
| No. | Insulators | Colors |
|---|---|---|
| 1 | Cal. Elec. Works | Cobalt blue |
| 2 | Twiggs | Clear glass color |
| 3 | Gregory | Aqua-Green |
| 4 | Mulford &Biddle | Cobalt Blue |
What do the numbers on glass insulators mean?
The first number (MM) is the mold number, and the second number (YY) is the year (plus 1900) when the mold was made. Thus, “23-42” is mold 23, which was made in 1942.
Are glass insulators still used?
During the 1960s, 1970s and 1980s many of these lines were dismantled as technology advanced. Today, a few lines using glass insulators are still in service, but are only a tiny percentage compared to the heyday of open wire communication.
How much is a Hemingray 16 insulator worth?
These can be found in abundance in antique/junk shops, yard sales, flea markets, etc. This page covers only the most common styles and embossings. If your insulator matches both the common color and common embossing criteria below, it’s most likely worth $1 to $3.
How do you date Hemingray insulators?
The first number (MM) is the mold number, and the second number (YY) is the year (plus 1900) when the mold was made. Thus, “23-42” is mold 23, which was made in 1942. In some transition cases, the number 9 was used to represent 1939 and 0 to represent 1940. There are often dots present after the year code.
How do you date a Hemingray insulator?
How much is a Hemingray-42 insulator worth?
Because the Hemingray-42 insulator is one of the most common, they tend to be an affordable collectible. Most sell for under $10.
What is the oldest glass insulator?
The oldest glass insulators date from about 1846. 40, Hemingray-42, Hemingray-45 (or Armstrong DP-1), and (the oldest insulators on this pole) aqua “beehives” which are marked “H.G. CO.” The period from 1875 to 1930 might generally be thought of as the “heyday” of the glass insulator.
How much is a Hemingray glass insulator worth?
What Are Hemingray Insulators Worth? Because the Hemingray-42 insulator is one of the most common, they tend to be an affordable collectible. Most sell for under $10.
When did they stop making glass insulators?
As the telecommunications industry changed, the insulators began to be dismantled in the 1960s.
What is a Hemingray 42?
The Hemingray 42, a telegraph pin insulator produced by the Hemingray Glass Company, is widely found in North America. Formerly. Gray & Hemingray. Gray, Hemingray & Bros.
How much is a Hemingray 42 worth?