|
3 1/8" X 3 3/4" (77mm X 92mm)
No markings
Picture courtesy Bob Scafe |
3 1/4" X 3 3/4" (80mm X 92mm)
No markings
Picture courtesy Bob Berry |
U-2389: Australia
|
3 1/8" X 3 3/4" (77mm X 92mm)
No markings
Picture courtesy Bob Scafe |
3 1/4" X 3 3/4" (80mm X 92mm)
No markings
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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