4 3/4" X 3 3/4" (120mm X 95mm)
(ear inkstamp) {Bullers}
Picture courtesy Bob Berry |
U-2617: United Kingdom
4 3/4" X 3 3/4" (120mm X 95mm)
(ear inkstamp) {Bullers}
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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