How do you date an old insulator?

All dots around the year code should be counted (a colon counts as two dots), and added to the date of mold manufacture. This gives the actual date the insulator was produced. Style 3 is the most common.

How much are old insulators worth?

Old glass insulators can range in value from $2 up to over $400. Like other antiques, glass insulators are evaluated on several criteria: Age. Rarity.

What is the most valuable insulator?

Most Widely Popular Glass Insulators – Based primarily on overall collector perception, at any collecting level, of the most widely popular insulators in the hobby, common to rare….Most Desirable CD Styles.

Rank CD Votes
1 CD 257 (Mickey Mouse) 25
2 CD 145 (Beehive) 25
3 CD 162 (Signal) 22
4 CD 102 (Pony) 18

When did they stop using glass insulators?

1960s
As the telecommunications industry changed, the insulators began to be dismantled in the 1960s.

What can you do with old insulators?

You can use a piece of wire to hang the tea lights on the trees as outdoor lanterns, fix a glass insulator on an old piece of wood or driftwood and fix it to the patio wall, use different beads to decorate the insulators and turn them into unique glass insulator DIY decorations for rustic or primitive style interiors …

What are blue insulators worth?

Color – The color of the insulator typically makes the most difference in value. For example, an aqua colored insulator might be worth $5, but a cobalt blue insulator might be worth $300! If you aren’t sure what color your insulator is, visit the Hemingray Color Guide for a basic guide.

When did they stop making glass insulators?

As the telecommunications industry changed, the insulators began to be dismantled in the 1960s.

Why do people buy glass insulators?

A: Insulators are those glass or porcelain things you see on the tops and crossarms of telephone poles. Their purpose is to insulate the electrical wires they carry, so that electricity (or telephone calls) don’t all leak into the pole and into the earth.

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.

Where can I find Union insulators union office?

Visit our online directory to find and contact the local union offices closest to you in the United States & Canada. Today’s union insulator is skilled at a multitude of construction trades required for mechanical insulation installations… Properly installed insulation saves money, improves lives, and protects the environment…

When was the heat and Frost Insulators Union founded?

Founded in 1898 as the first organized union of Heat and Frost insulators. Insulators Local Union No.1 has a long and storied history in the building trades and labor movement, not only in St. Louis but around the country.

When did people start to collect glass insulators?

As technology developed insulators were needed for telephone lines, electric power lines, and other applications. In the mid 1960’s a few people began collecting these antique glass insulators. Today there are over 3,000 insulator collectors. Insulator clubs, local and national shows, and good reference books are available.

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