I won't go into a lot here because the sites listed below provide very comprehensive info about insulators, especially the first.

Shown to the right is a threadless insulator, estimated value $8,000. Photo courtesy of Ralph Cooper.

Below is a Confederate Threadless insulator from a Richmond VA bottle dig:

• Glass Insulators Home Page

• National Insulator Association

• Reggie's Antique Insulators for sale

• Ask an Insulator Question.

• Recreation:Collecting:Insulators section of DMOZ open directory project.

• Many Insulators are bought and sold online at ebay. Check for them at:
  • Collectibles:Insulators
  • or search all ebay categories for Insulator.

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