U-2896: United Kingdom
4 3/8" X 5 1/2" (110mm X 140mm)
(front skirt incuse) JOHNSON & PHILLIPS PATENT [side view]
Picture courtesy Gene Kingsley |
4 3/8" X 5 1/2" (110mm X 140mm)
(front skirt incuse) JOHNSON & PHILLIPS PATENT [front view]
Picture courtesy Gene Kingsley |
This is an oil insulator with the outer skirt turned under to provide a reservoir for insulating oil.
U number assignment by Bob Berry November 2019.