N-TBD: United Kingdom
2" X 3 7/8" (51mm X 98mm)
(skirt embossed) P & T
Picture courtesy Darryl Wagner |
2" X 3 7/8" (51mm X 98mm)
(skirt embossed) P & T
Picture courtesy Tris Horton |
This insulator was found in Ireland and is made of fiberglass - both versions are the same, the one on the right has a photo angle that hides the extended inner skirt.
P & T is short for Post & Telegraph.