|
2 3/8" X 3 1/2" (58mm X 86mm)
(crown incuse)
Picture courtesy Bob Berry |
U-1521: Germany
|
2 3/8" X 3 1/2" (58mm X 86mm)
(crown incuse)
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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