|
1 5/8" X 2" (41mm X 50mm)
No markings
Picture courtesy Bob Berry |
U-1621: Unknown
|
1 5/8" X 2" (41mm X 50mm)
No markings
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1996 Supplement by Marilyn Albers & Jack Tod.
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