4 1/2" X 5" (113mm X 128mm)
No Markings
Picture courtesy Bob Berry |
4 1/2" X 5" (113mm X 128mm)
Showing white porcelain interior
Picture courtesy Bob Berry |
U-1966A: Australia
4 1/2" X 5" (113mm X 128mm)
No Markings
Picture courtesy Bob Berry |
4 1/2" X 5" (113mm X 128mm)
Showing white porcelain interior
Picture courtesy Bob Berry |
Galvanized metal cover with porcelain insert! U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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