|
5 5/8" X 8 1/2" (143mm X 216mm)
(dome inkstamp)
Picture courtesy Jim Van Nostrand |
U-3221: Australia
|
5 5/8" X 8 1/2" (143mm X 216mm)
(dome inkstamp)
Picture courtesy Jim Van Nostrand |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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