|
2 3/4" X 3 3/8" (69mm X 84mm)
No markings
Picture courtesy Bob Berry |
U-1431: Norway
|
2 3/4" X 3 3/8" (69mm X 84mm)
No markings
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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