U-1886: Austria
3 3/8" - 4 3/4" X 6" (87mm - 122mm X 153mm)
(front upper skirt inkstamp) IFö ELECTRIC / Austria (rear upper skirt inkstamp)
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.