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A commercial advertising industry specific journal that serves the commercial electrical market as a source of information on international developments in power ...

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A family-oriented web-based forum dedicated to all aspects of the insulator collecting hobby. Includes an 'Insulator of the Week' section.

A reference resource for the postcard collector.

This site is dedicated to those collectors who inspired by history, stimulated with color and shape, developed this wonderful hobby of insulator collecting. It ...

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Coin information free to all collectors of United States coins, including thousands of full color coin images, rarity, and historical information

Information on the hobby of collecting insulators and related collectibles. Contents include pictures of insulators, history of companies, patents, where to find ...