Clint's online display of his porcelain signal-style insulator collection. Featuring more than 30 different manufacturers, countless color variations, rare one-of-a-kind insulators, and hundreds of photos.

Information on the hobby of collecting insulators and related collectibles. Contents include pictures of insulators, history of companies, patents, where to find insulators, manufacturing details, insulator terminology, books on the subject, and background on the hobby.

Magazine dedicated to the collectors of historic glass and porcelain insulators used by telegraph, telephone and electric power utilities. Includes value finder and subscription information.

This site is dedicated to those collectors who inspired by history, stimulated with color and shape, developed this wonderful hobby of insulator collecting. It includes pages for 'Teats On The Petticoat', 'The 1893 Drip Point Patent', 'A fantastic! Graduation of Color', and 'An easy way to remember the basic styles'..

Collections of Ian Macky, including glass insulators, prism glass, and related history.

Features the 'Hemingray Database' with details on this manufacturer's insulator production, photos of shows and displays, 'Laugh Lines' comics, and trip journals.

Follow the odyssey of two Canadian insulator collectors, who refuse to take themselves seriously.

Here is a commercial advertising a high-end, industry specific journal that serves the commercial electrical market as a source of information on international developments in power transmission and distribution.

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

This site provides detailed information about the National Insulator Association. Photographs related to collecting glass and porcelain insulators and significant historical data are also available.

Insulator collecting site including photo album, complete collection index, how to get started, links, and insulator embossings of North America.

Conducts periodic auctions, performs appraisals by appointment and offers to purchase collections.

Collector, research expert, historian's site

Photos of displays and shows, a few articles, and information about the out-of-print magazine.

SignalSpark is a high quality book celebrating the insulator as an icon of industrial design.