|
3 5/8" X 3 3/8" (89mm X 83mm)
No markings
Picture courtesy Bob Berry |
3 5/8" X 3 3/8" (89mm X 83mm)
No markings
Picture courtesy Bill Ostrander |
U-2521: Norway
|
3 5/8" X 3 3/8" (89mm X 83mm)
No markings
Picture courtesy Bob Berry |
3 5/8" X 3 3/8" (89mm X 83mm)
No markings
Picture courtesy Bill Ostrander |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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