|
4 1/4" X 4 1/4" (108mm X 108mm)
(dome) JOHNSON & PHILLIPS / PATENT
Picture courtesy Elton Gish |
4 1/8" X 4 3/8" (105mm X 111mm)
(dome) No. 90
Picture courtesy Russ Firth |
U-2895: England
|
4 1/4" X 4 1/4" (108mm X 108mm)
(dome) JOHNSON & PHILLIPS / PATENT
Picture courtesy Elton Gish |
4 1/8" X 4 3/8" (105mm X 111mm)
(dome) No. 90
Picture courtesy Russ Firth |
This is an oil insulator with the outer skirt turned under to provide a reservoir for insulating oil.
U number assignment by Bob Berry April 2016.
Return to the PIFOUS main page