This 2019 book is the newest guide book for unipart one part pin type porcelain insulators.
Ceramic insulator collectors.
Collector s guide book for porcelain insulators unipart pin type.
Similar to their glass counterparts porcelain insulators date back to before the civil war for telegraph wires.
Today there are over 2000 collectors and insulator clubs national shows and good reference books are available.
Telephone wire utility power pole insulator ceramic glazed brown black white vtg.
Collecting insulators is a fun and unique hobby that will allow you to learn much about the history and make of these unique objects.
Return to the national insulator association page.
Commonly made from glass or porcelain in a dazzling array of shapes and colors including amber cobalt blue olive green one shade is known among insulator collectors as seven up and royal purple antique insulators are prized for their rarity and physical beauty.
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.
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New book for 2019.
Vintage brown ceramic telephone insulator with original wood peg 11 18 36.
Shop for and learn about vintage glass insulators.
It is like no other book about porcelain insulators.
The national insulator association nia is an international organization of collectors and friends interested in electrical insulators and other artifacts connected with the many industries associated with electrical power telephone telegraph railroads and or lightning protection devices.
Click on an insulator above for more information.
Insulators were originally designed to keep the wires linking telegraphs and telephones insulated from.
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.
Link to other types of insulators.
This is the culmination of more than 45 years of research and nearly 5 years of work to write and photograph all known unipart styles.
Glass insulators were first produced in the 1850 s for use with telegraph lines.
