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Vintage ceramic insulators.
Vintage glass insulators were first produced in the 1850s for telegraph lines then for telephone and power transmission lines.
Vintage insulators are most commonly made out of porcelain or glass materials and they come in a wide variety of colors and shapes making each item a unique piece that can make a great addition to a collection.
They insulated and protected the wooden poles from the electricity coursing through the wires.
In north america glass was always the predominate material for communications insulators but porcelain has become the standard for power distribution due to its greater strength and surface resistance.
This is a very heavy vintage piece.
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Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from.
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Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from the wooden poles that held them aloft.
They are made from glass porcelain or composite polymer materials nonconductive materials.
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Collecting insulators is a fun and unique hobby that will allow you to learn much about the history and make of these unique objects.
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Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.
In conjunction with the expansion of rural electrification in the early 20th century there was a major boom in the manufacturing of.