2 3/4" X 3 1/4" (70mm X 83mm)
(skirt incuse) 1440 HET3
Picture courtesy Bob Berry |
2 3/4" X 3 5/8" (70mm X 90mm) .
(skirt incuse) HET3 ARABIA 859 {Arabia}
Picture courtesy Bob Berry |
U-1559: Finland
2 3/4" X 3 1/4" (70mm X 83mm)
(skirt incuse) 1440 HET3
Picture courtesy Bob Berry |
2 3/4" X 3 5/8" (70mm X 90mm) .
(skirt incuse) HET3 ARABIA 859 {Arabia}
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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