|
2 1/2" X 4 5/8" (61mm X 113mm)
(dome side - inkstamp) ORION / PAT NO. 2354
Picture courtesy Bob Berry |
U-2091: Korea
|
2 1/2" X 4 5/8" (61mm X 113mm)
(dome side - inkstamp) ORION / PAT NO. 2354
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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