AI-Rating
  • Insulator News & Market Report
  • www.inmr.com
  • A commercial advertising industry specific journal that serves the commercial electrical market as a source of information on international developments in power transmission and distribution.
4.2
(si*)
  • Glass Insulators Reference Site
  • www.insulators.info
  • Insulator collectors resource with information on glass and porcelain insulators, show calendar, club listings, glossary, tips and photos of rare items.
4.0
(si*)
  • National Insulator Association
  • www.nia.org
  • 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.
3.8
(si*)
  • Rainbow Riders Trading Post
  • www.rainbowriderstradingpost.com
  • Photos of displays and shows, a few articles, and information about the out-of-print magazine.
3.7
(si*)
  • Teleramics - UK Railway Telegraph Insulators
  • teleramics.com
  • Detailed information and photographs on styles, materials, colours used for railway telegraph insulators from the UK. Sections on designers, markings and manufacturers of these products. Sub sections include railway crockery, insulator fixings, telegraph poles, brackets, and railway lighting.
3.7
(si*)
  • Hemingray.info
  • www.hemingray.info
  • Features the 'Hemingray Database' with details on this manufacturer's insulator production, photos of shows and displays, 'Laugh Lines' comics, and trip journals.
3.6
(si*)
  • Glassian
  • www.glassian.org
  • Collections of Ian Macky, including glass insulators, prism glass, and related history.
3.5
(si*)
  • Crown Jewels of the Wire Magazine
  • www.crownjewelsofthewire.com
  • 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.
3.5
(si*)
  • MyInsulators.com
  • myinsulators.com
  • Provides space at no charge for insulator and go-with collectors to maintain a site. Also a directory of member sites.
3.4
(si*)
  • SignalSpark insulator book
  • www.signalspark.com
  • SignalSpark is a high quality book celebrating the insulator as an icon of industrial design.
3.4
(si*)