|
2 3/4" X 4" (69mm X 103mm)
No markings
Picture courtesy Bob Berry |
U-1185: Canada
|
2 3/4" X 4" (69mm X 103mm)
No markings
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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