|
2 1/4" X 2 7/8" (55mm X 77mm)
No markings
Picture courtesy Bob Scafe |
U-1642: Sweden
|
2 1/4" X 2 7/8" (55mm X 77mm)
No markings
Picture courtesy Bob Scafe |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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