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Was your glass insulator manufactured by Hemingray?

Check the embossing on your insulator, and compare it to these alphabetical lists:

NO

The following insulators were not manufactured by Hemingray and are outside the scope of this web site:

  • Armstrong A in a circle
  • B
  • Brookfield
  • California
  • Gayner
  • Good
  • Hawley Hawley monogram
  • Kerr
  • Lynchburg Lynchburg L in an oval
  • Maydwell
  • McLaughlin
  • Pyrex
  • Star Star logo
  • W.F.G.Co.
  • W.G.M.Co.
  • Whitall Tatum WT in a triangle