U-2898: England
4 1/8" X 4 5/8" (101mm X 113mm)
(front skirt) No. 113 / JOHNSON & PHILLIPS
Picture courtesy Elton Gish |
This is a cross top and an oil insulator with the outer skirt turned under to provide a reservoir for insulating oil.
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.