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3 1/8" X 5 3/8" (79mm X 136mm)
(dome embossed) LANGDON & FULLER'S PATENT No. 8
Picture courtesy Bob Berry |
U-1986: England
|
3 1/8" X 5 3/8" (79mm X 136mm)
(dome embossed) LANGDON & FULLER'S PATENT No. 8
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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