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

Built for collectors, by collectors. The purpose of this site is to collect, list, and share at one source the exact markings on any collectible insulator.

A tour of our insulator collection in southern Ontario, Canada. Contact information provided for help with insulator identification and information, and for those interested in buying, selling, or trading glass insulators with a Canadian collector.

This site contains pictures of Corning Pyrex insulators still in use.

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 backg...

This hobby enthusiast's site pictures insulator related events, and insulators from Mississippi and in his collection.

Collector's site

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.

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

Collector shares hobby of various types of insulators through pictures, and descriptions.