|
2 1/8" X 2 1/2" (52mm X 65mm)
No markings
Picture courtesy Bob Berry |
U-1644: Hungary
|
2 1/8" X 2 1/2" (52mm X 65mm)
No markings
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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