|
2 3/4" X 3 7/8" (67mm X 95mm)
(dome incuse) "triangle" / F1
Picture courtesy Bob Scafe |
U-1690: Poland
|
2 3/4" X 3 7/8" (67mm X 95mm)
(dome incuse) "triangle" / F1
Picture courtesy Bob Scafe |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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