|
3 1/2" X 5" (86mm X 123mm)
No markings
Picture courtesy Bob Berry |
U-2019: USA
|
3 1/2" X 5" (86mm X 123mm)
No markings
Picture courtesy Bob Berry |
Note that this is a no-tie dry process style catalogued by Ohio Brass as a "Cuban" style. U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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