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  • 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
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<5
5
  • 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
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5
  • 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*)
<10
5
  • 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
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3
  • Open Wire Insulator Services
  • www.open-wire.com
  • Conducts periodic auctions, performs appraisals by appointment and offers to purchase collections.
3.4
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3
3.4
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3
  • Glassian
  • www.glassian.org
  • Collections of Ian Macky, including glass insulators, prism glass, and related history.
3.5
(si*)
<5
3
  • 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*)
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4
  • 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
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3
  • Collecting Insulators
  • www.collectinginsulators.com
  • 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.
3.1
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2
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