3" X 3 5/8" (75mm X 90mm)
No markings
Picture courtesy Teresa Dempsey |
U-1486: Australia
3" X 3 5/8" (75mm X 90mm)
No markings
Picture courtesy Teresa Dempsey |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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