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I found this insulator in Wantagh, NY. It has "Thomas" stamped into the porcelain on the upper wire ridge, with no other markings on it. Other insulators that were near it were marked "1963", so I know this piece is not too old, but I don't know the "U" number. Can anyone help ? Thank you. Update: It's a U-736. Thanks go to Dustin Logan & Elton Gish. |